Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Diesel On Full Guard 2.5 vs. Apple Watch 7

 
Flex 2
ZenWatch 3
ZenWatch
On Full Guard 2.5
Watch 7
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$229$150$325$429
Release20162017201420182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hoursNA4 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400320 x 320454x454396 x 484
Sizen/a1.39 inches1.63 inches1.39 inches1.9 inches
Touchn/a
TypeLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP553 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear 2Android WearWear OSWatchOS 8
Apps
Music

All Wearables