Pebble Steel vs. Polar M400 vs. Huawei Watch 2 vs. Fitbit Alta HR vs. Polar Loop

 
Steel
M400
Watch 2
Alta HR
Loop
 PebbleSteelRemove Buy NowPolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowFitbitAlta HRRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$200$350$150$100
Release20142014201720172013

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days48 hours7 days5 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/a480 x 480128 x 36NA
Size1.26 inchesn/a1.38 inches1.4 inchesNA
Touch
Typee-papern/aP-OLEDOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP682 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2NA
Apps
Music

All Wearables