Fitbit Ionic vs. Garmin Fenix 5s vs. Asus ZenWatch vs. Fitbit Flex vs. Apple Watch 7

 
Ionic
Fenix 5s
ZenWatch
Flex
Watch 7
 FitbitIonicRemove Buy NowGarminFenix 5sRemove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$299$599.99$150$100$429
Release20172017201420132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysUp to 9 daysNA5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250218x 218320 x 320NA396 x 484
Size1.421.1 inches1.63 inchesNA1.9 inches
TouchNA
TypeOLEDnaAMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m10ATMIP551 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearNAWatchOS 8
Apps
Music

All Wearables