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

 
Time Round
Time Steel
M400
TicWatch S2
Watch 8
 PebbleTime RoundRemove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowMobvoiTicWatch S2Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$250$200$180$499
Release20152015201420192022

Activity & Fitness

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

Battery

Duration2 days10 days8 hours to 30 days2 DAYS18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144n/a400 x 400340 x 272 or 390 x 312
Sizeround1.26 inchesn/a1.39 inches1.5 inches or 1.65 inches
Touch
Typee-papere-papern/aOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/aWear OSWatchOS 9
Apps
Music

All Wearables