Fitbit Blaze vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Apple Watch 7

 
Blaze
Flex 2
WSD-F20A
Alta HR
Watch 7
 FitbitBlazeRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$100$399$150$429
Release20162016201820172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days1 day7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320128 x 36396 x 484
Sizen/an/a1.32 inches1.4 inches1.9 inches
Touchn/a
TypeLCDLEDLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatchOS 8
Apps
Music

All Wearables