Fitbit Ionic vs. Asus ZenWatch vs. Fitbit Charge vs. Diesel On Full Guard 2.5 vs. Apple Watch 7

 
Ionic
ZenWatch
Charge
On Full Guard 2.5
Watch 7
 FitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$299$150$130$325$429
Release20172014201420182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysNA7-10 days4 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320NA454x454396 x 484
Size1.421.63 inchesNA1.39 inches1.9 inches
TouchNA
TypeOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP551 ATM3 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearNAWear OSWatchOS 8
Apps
Music

All Wearables