Fossil Q Founder vs. Polar M400 vs. Fitbit Alta vs. Amazfit T-Rex vs. HTC re Grip

 
Q Founder
M400
Alta
T-Rex
re Grip
 FossilQ FounderRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$275$200$130$140$199
Release20152014201620192020

Activity & Fitness

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

Battery

Duration1 day8 hours to 30 days5 days20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 326n/an/a360 x 360160 x 32
Size1.5 inchesn/an/a1.3 inches1.8 inches
Touchn/a
TypeLCDn/aOLEDAMOLEDPMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMn/a5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/aBuild-inNA
Appsn/a
Music

All Wearables