Pebble 2 vs. Withings Activite Sapphire vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Samsung Galaxy Watch

 
2
Activite Sapphire
Flex 2
WSD-F20A
Galaxy Watch
 Pebble2Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowSamsungGalaxy WatchRemove Buy Now

Basic Info

Suggested Price$129$450$100$399$330
Release20162014201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 months5 days1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a320 x 320360 x 360
Sizen/a1.3 inchesn/a1.32 inches1.2 inches or 1.3 inches
Touchn/a
Typee-paperAnalogLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aWear OSTizen OS
Apps
MusicSpotify

All Wearables