Pebble Time Round vs. Polar M400 vs. Polar M600 vs. Fitbit One vs. Pebble Time 2

 
Time Round
M400
M600
One
Time 2
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowFitbitOneRemove Buy NowPebbleTime 2Remove Buy Now

Basic Info

Suggested Price$200$200$330$100$199
Release20152014201620122016

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days2 days10-14 days10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240n/aNA
Sizeroundn/a1.3 inchesn/aNA
Touchn/a
Typee-papern/aTFTOLEDe-paper

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATMIPX8Splast Resistant3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wearn/aPebble OS
Apps
Music

All Wearables