Huawei Watch vs. Polar M400 vs. Fitbit Alta vs. Fitbit Flex 2 vs. HTC re Grip

 
Watch
M400
Alta
Flex 2
re Grip
 HuaweiWatchRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$349$200$130$100$199
Release20152014201620162020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 hours to 30 days5 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution400 x 400n/an/an/a160 x 32
Size1.4 inchesn/an/an/a1.8 inches
Touchn/an/a
TypeAMOLEDn/aOLEDLEDPMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATMn/a5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/an/aNA
Apps
Musicn/a

All Wearables