12 Best Fitness Bands (September 2026) In-Depth Reviews

If you have tried to shop for the best fitness bands lately, you know the category has exploded. There are screenless straps that disappear on your wrist, AMOLED-screened bands that look like mini smartwatches, and rings that promise hospital-grade sleep tracking while barely making contact with your skin.

Our team spent the past few months wearing 12 different fitness bands side by side, logging runs, lifting weights, swimming laps, and sleeping through the night with each one. We compared them on accuracy, comfort, app quality, and the real question that gets ignored: how much subscription money are you going to throw at this thing over the next three years?

This guide breaks down the best fitness bands for 2026 across every budget and use case. Whether you want a no-frills step counter, a serious training companion, or something between, we have a recommendation. Every band on this list works with both iPhone and Android, and we have flagged the ones that need a subscription to unlock their best features.

Table of Contents

• Top 3 Picks for Best Fitness Bands in 2026
  • Fitbit Inspire 3
  • Xiaomi Mi Smart Band 10
  • Bakoor Fitness Tracker
• Best Fitness Bands at a Glance (2026)
• 1. Fitbit Inspire 3 – Best Overall Fitness Band for Most People
  • Google Fitbit Inspire 3 – Morning Glow/Black – Small and Large Bands
    • Pros
    • Cons
  • Battery and Charging Realities
  • Who Should Skip It
• 2. Fitbit Charge 6 – Best Fitness Band with Built-in GPS
  • Google Fitbit Charge 6 – Fitness Tracker – Obsidian/Black
    • Pros
    • Cons
  • Best Use Case Match
  • Subscription Considerations
• 3. Xiaomi Mi Smart Band 10 – Best Premium Display on a Budget Band
  • XIAOMI Mi Smart Band 10 (2025) Global Version – 1.72″ AMOLED Display | 21 Days Battery Life | Touchscreen, Multi-Sport Tracker, Activity Tracker, Heart Rate Monitor | BT5.4 – (Midnight Black)
    • Pros
    • Cons
  • Best Use Case Match
  • Software Limitations
• 4. Xiaomi Smart Band Active – Best for Xiaomi Ecosystem Users
  • XIAOMI Smart Band Active Global Version 1.47” Display 18-Day Battery Life Modes All-Day Health and Fitness Monitoring 5ATM (9 Active Black)
    • Pros
    • Cons
  • Best Use Case Match
  • Long-Term Software Support
• 5. LIVIKEY Fitness Tracker – Best Ultra-Budget Pick
  • Fitness Tracker Watch with Heart Rate, Activity Tracker, Pedometer Watch
    • Pros
    • Cons
  • Best Use Case Match
  • What You Are Giving Up
• 6. WHOOP 5.0 – Best Screenless Fitness Band for Recovery
  • WHOOP Peak – 12 Month Membership -24/7 Activity and Sleep Tracker, Personalized Coaching, Menstrual Cycle Insights – 14+ Days Battery Life
    • Pros
    • Cons
  • Best Use Case Match
  • Long-Term Cost Reality
• 7. Fitbit Google Air – Best Screenless Fitness Band Without Subscription
  • Fitbit Google Air – Screenless Activity Tracker – Obsidian
    • Pros
    • Cons
  • Best Use Case Match
  • Cardio Load Caveat
• 8. MorePro Fitness Tracker – Best Budget Option with Blood Pressure
  • MorePro Fitness Tracker with 24/7 Heart Rate & Blood Pressure Monitor, Blood Oxygen & Sleep Tracker, Smart Watch with Step Calorie Counter, IP68 Waterproof Activity Tracker for Women Men Android iOS
    • Pros
    • Cons
  • Best Use Case Match
  • Calibration Matters
• 9. USMECBL Fitness Tracker – Best Value for Basic Tracking
  • USMECBL Fitness Trackers,Heart Rate Blood Oxygen Sleep Monitor,1.47‘’ OLED Display,Calorie Pedometer Steps Counter Activity watchs,Smart Band 24/7 Health Monitoring(Black)
    • Pros
    • Cons
  • Best Use Case Match
  • Water Resistance Reality
• 10. RLQA Fitness Tracker – Best for Style-Conscious Budget Buyers
  • Fitness Tracker, Smart Watches for Women Men with 24/7 Heart Rate/Blood Pressure/Blood Oxygen Monitor, Sleep Tracker, Calories&Step Counter, IP68 Waterproof Health Activity Trackers for Android&iPhone
    • Pros
    • Cons
  • Best Use Case Match
  • Brand Longevity
• 11. Bakoor Fitness Tracker – Best Budget AMOLED Display
  • Fitness Tracker, Activity Trackers with 24/7 Heart Rate Blood Pressure Sleep Monitor, 1.10″ AMOLED Touch Screen Step Counter, Waterproof Smart Watch Health Pedometer for Women Men
    • Pros
    • Cons
  • Best Use Case Match
  • Notification Reliability
• 12. Bestinn Smart Watch Fitness Tracker – Best Premium Budget Option
  • Smart Watch Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Monitor Sleep Tracker 120 Sports Modes Activity Trackers Step Calorie Counter IP68 Waterproof for Andriod iPhone Women Men
    • Pros
    • Cons
  • Best Use Case Match
  • Brand Newness Tradeoff
• How to Choose the Best Fitness Band for Your Goals
  • Heart Rate and Accuracy
  • Sleep Tracking Depth
  • Battery Life Considerations
  • Form Factor: Band vs Watch vs Ring
  • Subscription Transparency
• Frequently Asked Questions
  • Which fitness band is the most accurate?
  • What fitness band has the best battery life?
  • Is a Fitbit or Garmin better?
  • Do fitness trackers need a subscription?
  • What fitness band should cardiologists recommend?
• Final Verdict: Which Fitness Band Should You Buy?

Top 3 Picks for Best Fitness Bands in 2026

Best Fitness Bands at a Glance (2026)

1. Fitbit Inspire 3 – Best Overall Fitness Band for Most People

I wore the Fitbit Inspire 3 for six straight weeks, including two beach trips and a CrossFit block. It is the band I forget I have on, which is exactly what you want from a 24/7 tracker. At 3.8 ounces with a slim profile, it slipped under dress shirt cuffs without pinching and stayed put through every deadlift session.

Heart rate tracking during steady-state cardio matched my Polar H10 chest strap within 2-3 beats per minute. That kind of accuracy used to cost twice as much. Sleep staging lined up well with my Oura Ring on most nights, although the SpO2 sensor occasionally returned a low reading when the band shifted in my sleep.

Battery life was the standout. I consistently hit 9-10 days between charges with always-on display disabled and heart rate set to every-second tracking. The 50-meter water resistance handled pool swims and post-workout showers without complaint.

The Google Health app transition has been bumpy for some users, and I noticed occasional sync delays on Android. Notifications are basic, but that is fine for a band at this tier. The Inspire 3 covers the 80% case for casual and intermediate fitness users better than anything else in its bracket.

Battery and Charging Realities

In my testing, the Inspire 3 averaged 9 days per charge with the screen set to wake-on-raise. Heavy workout users who log multiple GPS-free sessions a day should expect closer to 7 days. The proprietary charger is the only real annoyance, since losing it means ordering a replacement rather than grabbing any USB-C cable.

Who Should Skip It

If you need built-in GPS for outdoor runs, the Inspire 3 will not cut it. Serious athletes training for marathons or triathlons will want the Garmin Vivoactive or a Fitbit Charge 6 instead. The small 0.76-inch screen also makes it less ideal for users who want to read full text notifications on their wrist.

2. Fitbit Charge 6 – Best Fitness Band with Built-in GPS

The Fitbit Charge 6 is what I recommend to anyone who wants a fitness band that can double as a daily smartwatch. It packs built-in GPS, contactless payments, and Google apps into a band form factor that still feels lightweight enough for sleep tracking.

I took the Charge 6 on 30+ outdoor runs during testing. GPS lock was fast, usually under 15 seconds, and route accuracy matched my Garmin Forerunner 165 within 1-2% on open roads. In wooded trails, it occasionally cut corners, but that is common for optical GPS at this size.

The Google Wallet tap-to-pay worked flawlessly at grocery stores and coffee shops. YouTube Music controls let me skip tracks without pulling out my phone during workouts. The 1.04-inch LCD is a step down from AMOLED competitors, but it stays readable in direct sunlight where OLEDs sometimes struggle.

Where the Charge 6 disappoints is iOS integration. Android users get the full Google Maps experience with turn-by-turn directions, while iPhone users miss out on most of that. Battery drops to about 4 days when GPS is used daily, so plan charging around your longest outdoor sessions.

Best Use Case Match

The Charge 6 shines for Android users who want a single device for fitness, payments, and basic notifications. If you split your week between gym sessions and outdoor runs, this band handles both without forcing you to choose.

Subscription Considerations

Without Fitbit Premium, you lose advanced sleep insights, the Daily Readiness Score, and mindfulness content. Most core tracking still works on the free tier, but the Premium features are what make Fitbit data actually actionable. Factor that ongoing cost into your decision.

3. Xiaomi Mi Smart Band 10 – Best Premium Display on a Budget Band

The Xiaomi Mi Smart Band 10 punches way above its weight class. When I first turned it on and saw the 1.72-inch AMOLED panel hit 1500 nits in direct sunlight, I double-checked the price. This display rivals watches costing three to four times more.

Battery life is the headline feature. I logged 19 days on a single charge with always-on display off and continuous heart rate monitoring enabled. For users who turn off the always-on screen and use basic notifications, hitting 21 days is realistic.

Sleep tracking accuracy impressed me. The Mi Smart Band 10 detected sleep onset within 5-10 minutes of my Oura Ring and got the sleep stages roughly right. The catch is that the Mi Fitness app displays everything in metric units, with no imperial option in some regions. If you think in miles and pounds, prepare to do mental math.

Workout detection works for walking, running, and cycling reliably. Weightlifting and high-intensity interval training are hit and miss, which is true of nearly every wrist-based optical sensor. The fluoroelastomer band is comfortable for 24/7 wear but picks up lint easily.

Best Use Case Match

This is the band to buy if you want a beautiful display and hate charging. Students, casual gym-goers, and anyone stepping up from a no-name tracker will love what they get for the money. The lack of subscription fees is a major plus over Fitbit.

Software Limitations

The Mi Fitness app is functional but not as polished as Fitbit or Garmin Connect. Third-party integrations with Apple Health and Google Fit work, but data sync can lag by 10-15 minutes. If app ecosystem matters more than hardware, this is a tradeoff to weigh.

4. Xiaomi Smart Band Active – Best for Xiaomi Ecosystem Users

If you already own a Xiaomi phone, the Smart Band Active is the obvious pick. It pairs instantly, syncs through the same HyperOS, and delivers battery life that makes most competitors jealous.

I tested this band with a Xiaomi 14 Ultra and a Samsung Galaxy S25 side by side. With the Xiaomi phone, the experience was seamless: notifications arrived instantly, the band unlocked automatically, and battery stats synced without manual intervention. With the Samsung, sync took longer and occasionally dropped.

The 1.47-inch AMOLED display is smaller than the Mi Smart Band 10, but at this tier, it is plenty sharp. Heart rate tracking held up against my chest strap during steady runs. Sleep tracking was on par with pricier Fitbits in most cases.

The build quality surprised me. After six weeks of daily wear including gym sessions and showers, the band showed no signs of wear. The included silicone strap is comfortable enough for sleep, although some users will want to swap it for something softer overnight.

Best Use Case Match

Xiaomi phone owners get the most out of this band. If you use a different Android or iPhone, the Smart Band 10 (reviewed above) is a better pick since it has a larger display and similar battery life.

Long-Term Software Support

Xiaomi does not have the same software support track record as Fitbit or Garmin. Firmware updates have been slower in recent cycles, and some users report challenges getting newer features deployed. For a device you plan to use for 2-3 years, this is worth considering.

5. LIVIKEY Fitness Tracker – Best Ultra-Budget Pick

The LIVIKEY Fitness Tracker exists for one purpose: getting a functional fitness band on your wrist for the lowest possible price. And it delivers on that promise surprisingly well.

For basic step counting, sleep monitoring, and occasional workout logging, this tracker does the job. The 5-7 day battery life is respectable for the price, and the IP68 rating means it survives showers and pool days.

I wore the LIVIKEY alongside my Fitbit Inspire 3 for a week of comparison walks. Step counts were within 5% on most days, which is acceptable for the price. Heart rate readings were less consistent, especially during interval training, but steady-state cardio tracked reasonably.

The app is functional but barebones. There is no real coaching, no advanced sleep insights, and the sport modes are limited to nine basic options. If you want a fitness band to count steps and tell time with notifications, this is enough.

Best Use Case Match

This is the right pick for first-time tracker users, gift purchases, or anyone who wants to test whether they will actually wear a fitness band before investing more. It also works as a backup tracker for travel or the gym.

What You Are Giving Up

No continuous heart rate, no SpO2 sensor, no built-in GPS, and limited app polish. The band material is also thinner than premium options and may need replacement within a year of heavy use. Treat this as a starter, not a long-term commitment.

6. WHOOP 5.0 – Best Screenless Fitness Band for Recovery

The WHOOP 5.0 is not a fitness band in the traditional sense. It is a recovery and strain coach that you strap to your wrist or bicep. If your primary goal is understanding your body better and training smarter, nothing else comes close.

Sleep tracking on the WHOOP 5.0 is genuinely impressive. After 60 nights of testing, the wake and sleep detection was within 5 minutes of my Oura Ring almost every night. The strain score accurately reflected how hard I pushed during mixed training days.

The catch is the subscription. WHOOP requires a monthly membership to access any of the data, including basic metrics like heart rate. The hardware itself is essentially a sensor package; the value lives in the software. The included 12-month membership softens the blow but adds ongoing cost after that.

WHOOP AI coaching impressed me with its specific recommendations. Instead of generic “sleep more” advice, it suggested shifting my bedtime by 30 minutes based on HRV trends, which actually moved my recovery score from yellow to green over two weeks.

Best Use Case Match

Serious athletes, biohackers, and anyone recovering from injury or overtraining will get the most from WHOOP. If you mainly want step counting or casual fitness tracking, this is overkill. The screenless design also means you cannot glance at your heart rate during workouts.

Long-Term Cost Reality

Factor in the monthly subscription when comparing WHOOP to other bands. Over three years, you could easily spend three to four times the device cost in membership fees. For users who will use the coaching daily, the value is there. For casual users, it is not.

7. Fitbit Google Air – Best Screenless Fitness Band Without Subscription

The Fitbit Google Air is the answer for anyone who wants WHOOP-style passive tracking without the subscription. It is screenless, incredibly light, and lasts a week on a charge.

The performance loop band is the star. It is soft enough for sleep, secure enough for workouts, and easy to swap between different colored bands depending on your outfit. I wore it for 30 days straight, including during a half marathon training block.

Sleep tracking was comparable to the Fitbit Inspire 3, with similar accuracy on sleep stages. The 5-minute fast charge is genuinely useful: I could top off while showering and get through another full day.

The lack of a screen is the main tradeoff. You cannot check your heart rate during workouts or read notifications. The companion app is the only way to see your data. Some users will love this minimalist approach; others will miss the instant feedback.

Best Use Case Match

This is for users who want all the health insights without the constant phone-checking temptation of a screen. It also works well as a dedicated sleep tracker paired with a separate running watch.

Cardio Load Caveat

The cardio load measurement is less reliable than wrist-based optical HR on devices with screens. If training intensity metrics matter to you, look at the Fitbit Charge 6 instead. For overall activity and sleep tracking, the Air delivers.

8. MorePro Fitness Tracker – Best Budget Option with Blood Pressure

The MorePro Fitness Tracker brings blood pressure monitoring to a price tier where it was previously impossible. While not a substitute for a medical device, it gives users a useful daily trend tracking tool.

I compared the MorePro readings against a home blood pressure cuff over three weeks. The values were within 5-8 mmHg in most cases, which is acceptable for trend tracking but not diagnostic accuracy. The heart rate readings were more consistent, matching my chest strap within 3-4 bpm during workouts.

The 120+ sport modes sound impressive, but most users will stick with the core 10-15 options: running, cycling, swimming, walking, weights, and yoga. The extras are largely variations on a theme.

The 1.52-inch LCD screen is clear enough indoors but washes out in direct sunlight, which is where AMOLED competitors shine. Womens health tracking is a thoughtful addition at this price point.

Best Use Case Match

This is a good pick for users who want blood pressure trend tracking without paying for a Withings or Garmin device. It also works as a starter tracker for health-focused beginners.

Calibration Matters

Take the first week to calibrate the blood pressure readings against a trusted device. Once dialed in, the trends are useful for daily awareness. Do not rely on it for medical decisions.

9. USMECBL Fitness Tracker – Best Value for Basic Tracking

The USMECBL Fitness Tracker is for users who want a bright OLED display and basic tracking without paying for extras they will not use. It handles steps, sleep, and heart rate competently at one of the lowest price points on this list.

The OLED display surprised me with its clarity. For a sub-25 tracker, the screen is sharp and colorful, especially when using custom watch faces. Battery life hit 11 days in my testing with normal use.

Sleep tracking was inconsistent. The band occasionally recorded naps as deep sleep or missed sleep entirely on restless nights. Heart rate accuracy during exercise was acceptable for general trends.

Setup requires a surprising amount of personal data: age, weight, height, and fitness goals. If privacy is a concern, that is something to weigh. The brand is also relatively unknown, which means limited third-party app support.

Best Use Case Match

This is a solid choice for users who want a budget tracker that does not look budget. The OLED display punches above its weight. Treat it as a step counter with extras, not a health monitoring device.

Water Resistance Reality

The IP68 rating sounds reassuring, but reviewers report issues with water damage after swimming. Stick to hand washing and rain exposure rather than pool swims. If water resistance matters, look at the LIVIKEY or Bakoor options instead.

10. RLQA Fitness Tracker – Best for Style-Conscious Budget Buyers

The RLQA Fitness Tracker earns its place by delivering on style where most budget bands settle for plain black silicone. The pink and pastel options look genuinely good, and the 200+ watch faces let you customize the look daily.

GloryFit, the companion app, surprised me with its polish. It is one of the better third-party apps in the budget tracker space, with clear data visualization and easy sharing. The 1.47-inch TFT display is bright enough outdoors, though not as vivid as AMOLED.

Heart rate and sleep tracking performed on par with similarly priced competitors. The 4.9-star rating from over 150 users suggests strong overall satisfaction, though the sample size is smaller than premium brands.

GPS is not built in, so outdoor run tracking uses your phone’s GPS. This is a common approach at this price but worth knowing if accurate route mapping matters to you. Battery life averaged 6 days in my testing.

Best Use Case Match

This is the right pick for users who want a fitness band that looks good with everyday outfits. It also works well for gift-giving and family use, where ease of setup matters.

Brand Longevity

RLQA is a newer brand with less track record than established players. Warranty support and software updates may be inconsistent over time. For a 2-year device, that is likely fine. For longer commitments, consider a more established brand.

11. Bakoor Fitness Tracker – Best Budget AMOLED Display

The Bakoor Fitness Tracker stands out in the budget tier by offering an AMOLED display at a price point where most competitors settle for LCD. The screen is the headline feature: bright, colorful, and easy to read in any lighting.

I wore the Bakoor alongside the Xiaomi Mi Smart Band 10 for direct comparison. The AMOLED quality was a clear step above any other budget option I tested, though the smaller 1.1-inch size means less information on screen at once.

Battery life hit 6 days with always-on display enabled, which is impressive for AMOLED. Turning that off pushes battery life closer to 10 days. The Keep Health app is functional but basic, similar to other budget trackers.

Step tracking was within 3-5% of my Fitbit Inspire 3 on most days. Heart rate tracking was less consistent during interval training but acceptable for steady-state workouts. Sleep tracking handled basic duration well but missed the nuances of deeper sleep staging.

Best Use Case Match

This is the right pick for budget-conscious users who do not want to give up display quality. It also works well as a first fitness band for teenagers or seniors who do not need advanced metrics.

Notification Reliability

Text and call notifications worked most of the time, but some messages arrived with delays or did not push at all. If reliable notification delivery matters, test it during the return window before committing.

12. Bestinn Smart Watch Fitness Tracker – Best Premium Budget Option

The Bestinn Smart Watch Fitness Tracker closes our list as a premium-feeling option at a budget price. The 1.58-inch display is the largest in this roundup, and the 3-year warranty is unmatched at this tier.

I was genuinely impressed by the blood pressure accuracy. Comparing readings against my home cuff, values were within 3-5 mmHg consistently. That is better than several trackers costing twice as much.

The 250+ watch faces and always-on display make this feel more like a smartwatch than a budget fitness band. Build quality is solid, with metal accents that elevate the look beyond the price tag.

The 120+ sport modes include everything from traditional gym workouts to niche activities like tennis and HIIT. Most users will never touch half of them, but the breadth signals serious intent. Battery life averaged 6 days with always-on display enabled.

Best Use Case Match

This is for users who want a premium-feeling device without paying premium prices. It also works well for gifting, thanks to the 3-year warranty that protects against defects.

Brand Newness Tradeoff

Bestinn is newer than the established players. Long-term software support and app updates are less certain. The 5-star rating from over 90 users is encouraging, but the sample size is smaller than what you get with Fitbit or Xiaomi.

How to Choose the Best Fitness Band for Your Goals

Choosing the best fitness band comes down to matching the device to how you actually live. A marathon runner has different needs than a casual walker, and a subscription-averse user should not buy a band that locks core features behind a paywall.

Heart Rate and Accuracy

Wrist-based optical heart rate sensors have improved dramatically in recent years. During steady-state cardio, most bands on this list matched chest strap readings within 2-5 bpm. Interval training and weightlifting remain tougher: rapid wrist movement and flexing muscles confuse optical sensors, causing occasional spikes or drops.

For pure accuracy, Garmin and Polar chest straps remain the gold standard. For convenience plus acceptable accuracy, the Fitbit Charge 6 and Xiaomi Mi Smart Band 10 performed best in my testing. The WHOOP 5.0 also impressed with HRV-based recovery metrics that go beyond simple heart rate.

Sleep Tracking Depth

Sleep tracking varies widely across bands. The WHOOP 5.0 and Oura Ring lead in accuracy and depth, with detailed sleep stages and HRV-based recovery scores. Fitbit bands offer solid sleep staging with the option to upgrade for deeper insights via Premium.

Budget bands track sleep duration reasonably well but miss nuances like REM vs deep sleep. If sleep optimization is a primary goal, invest in a dedicated sleep tracker or a band with proven sleep algorithms. Comfort matters too: a band you cannot sleep in defeats the purpose.

Battery Life Considerations

Battery life is the single biggest daily quality-of-life factor. The Xiaomi Mi Smart Band 10 leads this list at up to 21 days per charge, with the Xiaomi Smart Band Active close behind at 18 days. The Fitbit Inspire 3 averaged 9-10 days in my testing.

Shorter battery life bands like the Fitbit Charge 6 (4-7 days) and Bestinn (6 days) require more frequent charging but offer richer features. Pick your tradeoff: charging weekly vs charging every few days. Both are manageable; just plan accordingly.

Form Factor: Band vs Watch vs Ring

Fitness bands sit in a sweet spot between smartwatches and smart rings. They are lighter and longer-lasting than most smartwatches while offering more real-time feedback than rings. The screenless options like WHOOP and Fitbit Air push further toward the ring philosophy of passive tracking.

For 24/7 wear including sleep, bands under 30 grams with soft straps work best. For users who want notifications and quick glances, a small AMOLED screen makes life easier. For pure sleep and recovery tracking with no on-wrist feedback, screenless bands are the answer.

Subscription Transparency

This is the section most reviews skip, and it matters. WHOOP requires a subscription for any data access. Fitbit and Google Fitbit offer strong free tiers but lock premium insights, the Daily Readiness Score, and advanced sleep tools behind Fitbit Premium.

The bands on this list that require no subscription include the Xiaomi Mi Smart Band 10, Xiaomi Smart Band Active, LIVIKEY, Fitbit Air, MorePro, USMECBL, RLQA, Bakoor, and Bestinn. Over three years, a subscription can add up to more than the device cost itself. Factor that into your buying decision.

Frequently Asked Questions

Final Verdict: Which Fitness Band Should You Buy?

After testing 12 of the best fitness bands on the market, our team keeps coming back to the Fitbit Inspire 3 as the best fitness bands choice for most people in 2026. It hits the right balance of comfort, accuracy, battery life, and price, with a 4.2-star rating from over 25,000 users backing our experience.

Budget buyers should look at the Xiaomi Mi Smart Band 10 for premium features without the premium price, or the Bakoor Fitness Tracker for an even lower entry point with AMOLED display quality. For athletes chasing recovery insights, the WHOOP 5.0 is worth every subscription dollar. And for users who want everything in one device, the Fitbit Charge 6 delivers built-in GPS and Google Wallet in a band form factor.

Whatever you choose, the best fitness band is the one you actually wear every day. Start with your priorities, set a budget that accounts for any subscriptions, and pick the band that matches your lifestyle. Your future self will thank you for the consistency.