Pebble Time Round vs. Polar M400 vs. Amazfit Cor vs. Fitbit Alta HR vs. Microsoft Band

 
Time Round
M400
Cor
Alta HR
Band
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowAmazfitCorRemove Buy NowFitbitAlta HRRemove Buy NowMicrosoftBandRemove Buy Now

Basic Info

Suggested Price$200$200$79.99$150$200
Release20152014201820172014

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days12 days7 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a80 x 160128 x 36320 x 106
Sizeroundn/a1.23 inches1.4 inches1.37 inches
Touch
Typee-papern/aIPS LCDOLEDCapacitative TFT

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNA
Apps
Music

Wearables by Microsoft

Microsoft Band 2

All Wearables