Fitbit Alta vs. Apple Watch vs. Asus VivoWatch vs. Pebble Core vs. Amazfit T-Rex
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| FitbitAltaRemove Buy Now | AppleWatchRemove Buy Now | AsusVivoWatchRemove Buy Now | PebbleCoreRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $130 | $349 | $160 | $99 | $140 |
| Release | 2016 | 2015 | 2018 | 2016 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 18 hours | 24 hours to 10 days | NA | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | NA | NA | NA | ||
| Mac | NA | NA | NA | ||
| Windows | NA | NA | NA | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 340 x 272 or 390 x 312 | 128 x 128 | NA | 360 x 360 |
| Size | n/a | 1.5 inches or 1.65 inches | NA | NA | 1.3 inches |
| Touch | n/a | NA | |||
| Type | OLED | AMOLED | NA | NA | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | NA | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | n/a | IPX7 | IP67 | NA | 5 ATM |
Notifications | |||||
| Phone | NA | ||||
| Emails | n/a | NA | |||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | Watch OS | KoodOS | NA | Build-in |
| Apps | |||||
| Music | |||||