Fitbit Ionic vs. Garmin Forerunner 935 vs. Amazfit GTR vs. Garmin VivoActive 4 vs. Apple Watch 7

 
Ionic
Forerunner 935
GTR
VivoActive 4
Watch 7
 FitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowAmazfitGTRRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$299$500$199$349$429
Release20172017201920192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysUp to 2 weeks24 days8 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250240 x 240454 x 454260 x 260396 x 484
Size1.421.2 inches1.39 inches1.3ionches1.9 inches
Touch
TypeOLEDLCDAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSBuild-inWear OSWatchOS 8
Apps
Music

All Wearables