Pebble Time Round vs. Polar M400 vs. LG Watch Style vs. Garmin Forerunner 235 vs. Fitbit Alta HR

 
Time Round
M400
Watch Style
Forerunner 235
Alta HR
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowLGWatch StyleRemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$200$249$299.99$150
Release20152014201720172017

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days9 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a360 x 360215 x 180128 x 36
Sizeroundn/a1.2 inches1.23 inches1.4 inches
Touch
Typee-papern/aP-OLEDMIPOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2
Apps
Music

All Wearables