Pebble Time Round vs. Polar M400 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 235 vs. Fitbit Flex

 
Time Round
M400
G-Shock GBA800
Forerunner 235
Flex
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$200$120$299.99$100
Release20152014201820172013

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days2 years9 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a215 x 180NA
Sizeroundn/a1.23 inchesNA
TouchNA
Typee-papern/aMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM20 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNA
Apps
Music

All Wearables