Fitbit Ionic vs. Amazfit Stratos vs. Fitbit Versa vs. Fitbit Alta HR vs. Apple Watch 7

 
Ionic
Stratos
Versa
Alta HR
Watch 7
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowFitbitVersaRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$299$199$199.99$150$429
Release20172018201820172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days4 days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300300 x300128 x 36396 x 484
Size1.421.34 inches1.34 inches1.4 inches1.9 inches
Touch
TypeOLEDOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryWatchOS 8
Apps
Music

All Wearables