Pebble Time Round vs. Polar M600 vs. Pebble Time 2 vs. Fitbit Alta HR vs. Fitbit Flex

 
Time Round
M600
Time 2
Alta HR
Flex
 PebbleTime RoundRemove Buy NowPolarM600Remove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$330$199$150$100
Release20152016201620172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days10 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA128 x 36NA
Sizeround1.3 inchesNA1.4 inchesNA
Touchn/aNA
Typee-paperTFTe-paperOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IPX83 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearPebble OSNA
Apps
Music

All Wearables