Pebble Time Round vs. Pebble Time Steel vs. Polar M400 vs. Misfit Flash vs. Fitbit Alta HR

 
Time Round
Time Steel
M400
Flash
Alta HR
 PebbleTime RoundRemove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowMisfitFlashRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$250$200$30$150
Release20152015201420142017

Activity & Fitness

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

Battery

Duration2 days10 days8 hours to 30 days6 months7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a168 x 144n/an/a128 x 36
Sizeround1.26 inchesn/an/a1.4 inches
Touchn/a
Typee-papere-papern/an/aOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM3 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/an/a
Apps
Music

All Wearables