Fitbit Alta vs. Withings Go vs. Polar M430 vs. Amazfit GTR
Basic Info |
| Suggested Price | $130 | $80 | $255 | $199 |
| Release | 2016 | 2016 | 2017 | 2019 |
Activity & Fitness |
| Calories | | | | |
| Cycling (Bicycling) | | | | |
| Distance | | | | |
| Heart | | | | |
| Oxygen | | | | |
| Sleep | | | | |
| Steps | | | | |
| Swim | | | | |
Battery |
| Duration | 5 days | 8 months | 30 hours | 24 days |
| Rechargeable | | | | |
Compatibility |
| Android | | n/a | | |
| iOS | | n/a | | |
| Windows Phone | | n/a | | |
| Mac | | n/a | | |
| Windows | | n/a | | |
Connectivity |
| Bluetooth | | n/a | | |
| Cellular | | | | |
| GPS | | | | |
| NFC | | | | |
| Wi-Fi | | | | |
Display |
| Color | | n/a | | |
| Resolution | n/a | n/a | 128x128 | 454 x 454 |
| Size | n/a | n/a | 1.4 inch | 1.39 inches |
| Touch | n/a | n/a | | |
| Type | OLED | E-Ink | LCD | AMOLED |
Functions |
| Audio Speaker | | | | |
| Clock | | | | |
| Phone | | n/a | | |
| Vibration | | n/a | | |
| Voice | | | | |
Hardware |
| Accelerometer | | | | |
| Barometer or Altimeter | | | | |
| Ultraviolet Sensor | | | | |
| Water Resistance | n/a | 5 ATM | WR30 | 5 ATM |
Notifications |
| Phone | | n/a | | |
| Emails | n/a | n/a | | |
| Texts | | n/a | | |
Software |
| Operating System | n/a | n/a | | Build-in |
| Apps | | n/a | | |
| Music | | | | |
