Pebble 2 vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Apple Series 6

 
2
Watch Series 2
WSD-F20A
Alta HR
Series 6
 Pebble2Remove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$129$269$399$150$399
Release20162016201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days18 hours1 day7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320128 x 36384 x 480
Sizen/a1.5 inches or 1.65 inches1.32 inches1.4 inches40mm
Touch
Typee-paperAMOLEDLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWatch OSWear OSWatchOS 5
Apps
Music

All Wearables