Amazfit Stratos vs. Pebble Time 2 vs. Fitbit Alta HR vs. Polar A370 vs. Amazfit T-Rex

 
Stratos
Time 2
Alta HR
A370
T-Rex
 AmazfitStratosRemove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$199$199$150$179.95$140
Release20182016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10 days7 daysUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300NA128 x 36160 x 80360 x 360
Size1.34 inchesNA1.4 inches1.18 inches1.3 inches
Touch
TypeOLEDe-paperOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryPebble OSBuild-in
Apps
Music

All Wearables