Fitbit Alta vs. Mobvoi TicWatch S vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Alta
TicWatch S
Flex
Vivofit 4
T-Rex
 FitbitAltaRemove Buy NowMobvoiTicWatch SRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$199$100$79.95$140
Release20162017201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1.5-2 days5 days1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400NA88 x 88360 x 360
Sizen/a1.4 inchesNANA1.3 inches
Touchn/aNA
TypeOLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables