Pebble Time Round vs. Pebble Time Steel vs. Polar M430 vs. Polar A370 vs. Amazfit GTR

 
Time Round
Time Steel
M430
A370
GTR
 PebbleTime RoundRemove Buy NowPebbleTime SteelRemove Buy NowPolarM430Remove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$250$255$179.95$199
Release20152015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days10 days30 hoursUp to 3 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144128x128160 x 80454 x 454
Sizeround1.26 inches1.4 inch1.18 inches1.39 inches
Touch
Typee-papere-paperLCDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATMWR30WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSBuild-in
Apps
Music

All Wearables