Fitbit Alta vs. Apple Watch vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Watch 7

 
Alta
Watch
WSD-F20A
Flex
Watch 7
 FitbitAltaRemove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$349$399$100$429
Release20162015201820132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours1 day5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320NA396 x 484
Sizen/a1.5 inches or 1.65 inches1.32 inchesNA1.9 inches
Touchn/aNA
TypeOLEDAMOLEDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX75 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWear OSNAWatchOS 8
Apps
Music

All Wearables