Polar M400 vs. Fitbit Alta vs. Amazfit Bip
Basic Info |
Suggested Price | $200 | $130 | $99.99 |
Release | 2014 | 2016 | 2018 |
Activity & Fitness |
Calories | | | |
Cycling (Bicycling) | | | |
Distance | | | |
Heart | n/a | | |
Oxygen | | | |
Sleep | | | |
Steps | | | |
Swim | | | |
Battery |
Duration | 8 hours to 30 days | 5 days | 30 days |
Rechargeable | | | |
Compatibility |
Android | | | |
iOS | | | |
Windows Phone | n/a | | |
Mac | | | |
Windows | | | |
Connectivity |
Bluetooth | | | |
Cellular | | | |
GPS | | | |
NFC | | | |
Wi-Fi | | | |
Display |
Color | | | |
Resolution | n/a | n/a | 176 x 176 |
Size | n/a | n/a | 1.28 inches |
Touch | | n/a | |
Type | n/a | OLED | NA |
Functions |
Audio Speaker | Alerts only | | |
Clock | | | |
Phone | | | |
Vibration | | | |
Voice | | | |
Hardware |
Accelerometer | | | |
Barometer or Altimeter | | | |
Ultraviolet Sensor | | | |
Water Resistance | 3 ATM | n/a | IP68 |
Notifications |
Phone | | | |
Emails | | n/a | |
Texts | | | |
Software |
Operating System | n/a | n/a | |
Apps | | | |
Music | | | |