ASUS ZenWatch 2 vs. Fitbit Charge 2 vs. Fitbit Ionic vs. Fitbit Flex vs. Apple Watch 7

 
ZenWatch 2
Charge 2
Ionic
Flex
Watch 7
 ASUSZenWatch 2Remove Buy NowFitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$150$299$100$429
Release20162016201720132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days4+ days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a348x250NA396 x 484
Size1.63 inches or 1.45 inchn/a1.42NA1.9 inches
Touchn/aNA
TypeAMOLEDOLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a50m1 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aFitbit OSNAWatchOS 8
Apps
Music

All Wearables