Pebble Time Round vs. Polar M400 vs. Polar Loop 2 vs. HTC re Grip vs. Apple Watch 8

 
Time Round
M400
Loop 2
re Grip
Watch 8
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowPolarLoop 2Remove Buy NowHTCre GripRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$200$120$199$499
Release20152014201520202022

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days8 days (without notifications)5 hours to 2.5 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a160 x 32340 x 272 or 390 x 312
Sizeroundn/an/a1.8 inches1.5 inches or 1.65 inches
Touch
Typee-papern/aLEDPMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM2 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aNAWatchOS 9
Apps
Music

All Wearables