Pebble Time Steel vs. Amazfit Bip vs. Garmin Vivofit 4 vs. Polar Loop vs. Amazfit T-Rex

 
Time Steel
Bip
Vivofit 4
Loop
T-Rex
 PebbleTime SteelRemove Buy NowAmazfitBipRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$99.99$79.95$100$140
Release20152018201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 days30 days1 year5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144176 x 17688 x 88NA360 x 360
Size1.26 inches1.28 inchesNANA1.3 inches
Touch
Typee-paperNANALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNABuild-in
Apps
Music

All Wearables