Pebble Time vs. Polar M400 vs. Fitbit Alta vs. Fitbit Ionic vs. Pebble Time 2

 
Time
M400
Alta
Ionic
Time 2
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowFitbitIonicRemove Buy NowPebbleTime 2Remove Buy Now

Basic Info

Suggested Price$150$200$130$299$199
Release20152014201620172016

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days5 days4+ days10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a348x250NA
Size1.26 inchesn/an/a1.42NA
Touchn/a
Typee-papern/aOLEDOLEDe-paper

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a50m3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/aFitbit OSPebble OS
Apps
Music

All Wearables