Pebble Time vs. Polar M400 vs. Polar M600 vs. Fitbit Flex 2 vs. Fitbit Ionic

 
Time
M400
M600
Flex 2
Ionic
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$150$200$330$100$299
Release20152014201620162017

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days2 days5 days4+ days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a240 x 240n/a348x250
Size1.26 inchesn/a1.3 inchesn/a1.42
Touchn/an/a
Typee-papern/aTFTLEDOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIPX85 ATM50m

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wearn/aFitbit OS
Apps
Music

All Wearables