Fitbit One vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Fitbit Versa 2 vs. Apple Watch 7

 
One
WSD-F20A
Alta HR
Versa 2
Watch 7
 FitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowFitbitVersa 2Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$399$150$199$429
Release20122018201720192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days1 day7 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320128 x 36300 x 300396 x 484
Sizen/a1.32 inches1.4 inches1.34 inches1.9 inches
Touch
TypeOLEDLCDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-inWatchOS 8
Apps
Music

All Wearables