Pebble Time Round vs. Fitbit Zip vs. Amazfit Stratos vs. Amazfit GTR vs. Amazfit T-Rex

 
Time Round
Zip
Stratos
GTR
T-Rex
 PebbleTime RoundRemove Buy NowFitbitZipRemove Buy NowAmazfitStratosRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$60$199$199$140
Release20152012201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days6 months5 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 300454 x 454360 x 360
Sizeroundn/a1.34 inches1.39 inches1.3 inches
Touch
Typee-papern/aOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7Splash Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aProprietaryBuild-inBuild-in
Apps
Music

All Wearables