Polar M400 vs. Fitbit Alta vs. Polar M430 vs. Jawbone UP2 vs. Amazfit GTR
Basic Info |
Suggested Price | $200 | $130 | $255 | $100 | $199 |
Release | 2014 | 2016 | 2017 | 2015 | 2019 |
Activity & Fitness |
Calories | | | | | |
Cycling (Bicycling) | | | | | |
Distance | | | | | |
Heart | n/a | | | | |
Oxygen | | | | | |
Sleep | | | | | |
Steps | | | | | |
Swim | | | | | |
Battery |
Duration | 8 hours to 30 days | 5 days | 30 hours | 7 days | 24 days |
Rechargeable | | | | | |
Compatibility |
Android | | | | | |
iOS | | | | | |
Windows Phone | n/a | | | NA | |
Mac | | | | NA | |
Windows | | | | NA | |
Connectivity |
Bluetooth | | | | | |
Cellular | | | | | |
GPS | | | | | |
NFC | | | | | |
Wi-Fi | | | | | |
Display |
Color | | | | | |
Resolution | n/a | n/a | 128x128 | NA | 454 x 454 |
Size | n/a | n/a | 1.4 inch | NA | 1.39 inches |
Touch | | n/a | | NA | |
Type | n/a | OLED | LCD | NA | AMOLED |
Functions |
Audio Speaker | Alerts only | | | | |
Clock | | | | | |
Phone | | | | | |
Vibration | | | | | |
Voice | | | | | |
Hardware |
Accelerometer | | | | | |
Barometer or Altimeter | | | | | |
Ultraviolet Sensor | | | | | |
Water Resistance | 3 ATM | n/a | WR30 | Splash resistant | 5 ATM |
Notifications |
Phone | | | | | |
Emails | | n/a | | | |
Texts | | | | | |
Software |
Operating System | n/a | n/a | | NA | Build-in |
Apps | | | | | |
Music | | | | | |