Pebble Time Round vs. Polar M400 vs. Mobvoi TicWatch S2 vs. Amazfit GTR vs. Apple Watch 8

 
Time Round
M400
TicWatch S2
GTR
Watch 8
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitGTRRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$200$180$199$499
Release20152014201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 hours to 30 days2 DAYS24 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400454 x 454340 x 272 or 390 x 312
Sizeroundn/a1.39 inches1.39 inches1.5 inches or 1.65 inches
Touch
Typee-papern/aOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSBuild-inWatchOS 9
Apps
Music

All Wearables