Pebble Classic vs. Fitbit Alta HR vs. Polar Loop vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex

 
Classic
Alta HR
Loop
TicWatch S2
T-Rex
 PebbleClassicRemove Buy NowFitbitAlta HRRemove Buy NowPolarLoopRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$99$150$100$180$140
Release20132017201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days7 days5 days2 DAYS20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144128 x 36NA400 x 400360 x 360
Size1.26 inches1.4 inchesNA1.39 inches1.3 inches
Touch
Typee-paperOLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNAWear OSBuild-in
Apps
Music

All Wearables