Pebble Time Round vs. Polar M400 vs. Fitbit One vs. Polar Loop 2 vs. Fitbit Ionic

 
Time Round
M400
One
Loop 2
Ionic
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$200$200$100$120$299
Release20152014201220152017

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days10-14 days8 days (without notifications)4+ days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/an/a348x250
Sizeroundn/an/an/a1.42
Touch
Typee-papern/aOLEDLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATMSplast Resistant2 ATM50m

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/aFitbit OS
Apps
Music

All Wearables