Pebble Classic vs. Polar M400 vs. Samsung Gear S2 vs. Fitbit Alta HR vs. Apple Series 6

 
Classic
M400
Gear S2
Alta HR
Series 6
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$99$200$300$150$399
Release20132014201520172020

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days2-3 days7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a360 x 360128 x 36384 x 480
Size1.26 inchesn/a1.2 inches1.4 inches40mm
Touch
Typee-papern/aSuper AMOLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM3 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aTizenWatchOS 5
Apps
Music

All Wearables