Polar M400 vs. Amazfit Pace vs. Fitbit Flex vs. Jawbone UP4
PolarM400Remove Buy Now | AmazfitPaceRemove Buy Now | FitbitFlexRemove Buy Now | JawboneUP4Remove Buy Now |
Basic Info | ||||
Suggested Price | $200 | $130 | $100 | $200 |
Release | 2014 | 2017 | 2013 | 2015 |
Activity & Fitness | ||||
Calories | ||||
Cycling (Bicycling) | ||||
Distance | ||||
Heart | n/a | |||
Oxygen | ||||
Sleep | ||||
Steps | ||||
Swim | ||||
Battery | ||||
Duration | 8 hours to 30 days | 5 days | 5 days | NA |
Rechargeable | ||||
Compatibility | ||||
Android | ||||
iOS | ||||
Windows Phone | n/a | NA | NA | |
Mac | NA | |||
Windows | NA | |||
Connectivity | ||||
Bluetooth | ||||
Cellular | ||||
GPS | ||||
NFC | ||||
Wi-Fi | ||||
Display | ||||
Color | ||||
Resolution | n/a | 320 x 300 | NA | NA |
Size | n/a | 1.34 inches | NA | NA |
Touch | NA | NA | ||
Type | n/a | TFT LCD | LED | NA |
Functions | ||||
Audio Speaker | Alerts only | |||
Clock | ||||
Phone | ||||
Vibration | ||||
Voice | ||||
Hardware | ||||
Accelerometer | ||||
Barometer or Altimeter | ||||
Ultraviolet Sensor | ||||
Water Resistance | 3 ATM | IP67 | 1 ATM | NA |
Notifications | ||||
Phone | ||||
Emails | ||||
Texts | ||||
Software | ||||
Operating System | n/a | Proprietary | NA | NA |
Apps | ||||
Music | NA |