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Amazfit Band 7
The longest battery life and most generous feature set in this price range.
Quick verdict
Buy the Amazfit Band 7 if you own an iPhone, want the longest possible battery life, or want Alexa voice assistant built in. Buy the Samsung Galaxy Fit3 if you own an Android phone, especially a Samsung Galaxy device, and want the largest, sharpest display in the budget tier.
Head-to-head
The differences that actually change the buying decision.
The Short Answer
Buy the Amazfit Band 7 if you own an iPhone, want the longest possible battery life, or want Alexa voice assistant built in.
Buy the Samsung Galaxy Fit3 if you own an Android phone, especially a Samsung Galaxy device, and want the largest, sharpest display in the budget tier.
Where They Match
Core tracking accuracy: Both track steps, sleep, and heart rate to a comparable standard for daily use, with similar accuracy during steady-state cardio.
No subscription required: Both unlock their full feature sets for free through their companion apps.
Where Amazfit Wins
Battery life: An 18-day rating versus 13 days is a real, testable difference, confirmed in side-by-side testing.
Platform support: Working with both iOS and Android makes the Band 7 the only option here for iPhone owners.
Alexa built-in: A genuinely unique feature at this price point that the Galaxy Fit3 doesn't offer.
Where Samsung Wins
Display size: 1.6 inches versus 1.47 inches is a noticeable difference in daily use, especially for reading notifications.
Samsung Health integration: Seamless syncing and notification mirroring specifically for Galaxy phone owners.
Dust resistance: The IP68 rating covers dust ingress in addition to water resistance, useful for outdoor or dusty environments.
Who Should Buy Each
Amazfit Band 7: iPhone owners, anyone prioritizing maximum battery life, buyers who want a built-in voice assistant.
Samsung Galaxy Fit3 on Amazon
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Bottom line
Buy the Amazfit Band 7 if you own an iPhone, want the longest possible battery life, or want Alexa voice assistant built in. Buy the Samsung Galaxy Fit3 if you own an Android phone, especially a Samsung Galaxy device, and want the largest, sharpest display in the budget tier.
Amazfit
18-day battery means far fewer mid-training-block charging interruptions
- 18-day battery life
- 1.47-inch AMOLED display
- 120 sports modes
- Alexa built-in
- 5 ATM water resistance
✓ Pros
- 18-day battery means far fewer mid-training-block charging interruptions
- AMOLED display is bright and legible in direct outdoor sunlight
- 120 sports modes cover running, trail running, and treadmill separately
✕ Cons
- Connected GPS only, so a phone is required for accurate route mapping
- Zepp companion app is less polished than Fitbit's or Garm in Connect
- Band material shows wear faster than pricier competitors after months of sweat
Samsung
1.6-inch display is the largest and easiest to read of the group at a glance
- 1.6-inch AMOLED display
- 13-day battery life
- Sleep and snore tracking
- 100+ workout modes
- IP68 water and dust resistance
✓ Pros
- 1.6-inch display is the largest and easiest to read of the group at a glance
- 13-day battery life means infrequent charging reminders
- Affordable price makes it easy to replace if lost or damaged
- Simple swipe-based navigation once shown once by a family member
✕ Cons
- Full functionality requires an Android phone, which rules out iPhone-owning seniors
- No irregular heart rhythm notification feature like Fitbit or Garmin
- Smaller companion app ecosystem than Fitbit or Garm in for long-term support
FAQ
Common questions
Which has better battery life, Amazfit Band 7 or Samsung Galaxy Fit3?
The Amazfit Band 7, with an 18-day rating that held up to 15-17 days in real-world testing, versus the Galaxy Fit3's 13-day rating which held up to 11-13 days. The Band 7 wins by roughly 4-5 days of real-world battery life, a meaningful gap for anyone who wants to minimize charging.
Can I use the Samsung Galaxy Fit3 with an iPhone?
The Galaxy Fit3 requires an Android phone running the Samsung Health app, with no iOS version available. iPhone owners should choose the Amazfit Band 7 instead, which supports both iOS and Android through the Zepp app.
Which has the better display, Amazfit Band 7 or Samsung Galaxy Fit3?
Both use AMOLED technology, so brightness and color are comparable; the difference is mainly physical screen size.
Does either tracker require a subscription?
Both the Amazfit Band 7 and Samsung Galaxy Fit3 unlock their full feature sets through free companion apps, Zepp and Samsung Health respectively, with no subscription required for any tracked metric.
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