Fitbit Alta vs. Mobvoi TicWatch S vs. Fitbit Charge HR vs. Amazfit T-Rex vs. HTC re Grip

 
Alta
TicWatch S
Charge HR
T-Rex
re Grip
 FitbitAltaRemove Buy NowMobvoiTicWatch SRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$199$150$140$199
Release20162017201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1.5-2 days5 days20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400NA360 x 360160 x 32
Sizen/a1.4 inchesNA1.3 inches1.8 inches
Touchn/aNA
TypeOLEDOLEDOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP671 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2.0NABuild-inNA
Apps
Music

All Wearables