Pebble Time Round vs. Polar M400 vs. Fitbit Charge 2 vs. Garmin Forerunner 235 vs. Fitbit Flex

 
Time Round
M400
Charge 2
Forerunner 235
Flex
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowFitbitCharge 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$200$150$299.99$100
Release20152014201620172013

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days5 days9 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/an/a215 x 180NA
Sizeroundn/an/a1.23 inchesNA
Touchn/aNA
Typee-papern/aOLEDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATMn/a5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aNA
Apps
Music

All Wearables