Pebble Time Round vs. Polar Loop 2 vs. Fitbit Alta HR vs. Polar Loop vs. Apple Watch 8

 
Time Round
Loop 2
Alta HR
Loop
Watch 8
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowFitbitAlta HRRemove Buy NowPolarLoopRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$120$150$100$499
Release20152015201720132022

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)7 days5 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 36NA340 x 272 or 390 x 312
Sizeroundn/a1.4 inchesNA1.5 inches or 1.65 inches
Touch
Typee-paperLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNAWatchOS 9
Apps
Music

All Wearables