Fitbit Charge 2 vs. Asus ZenWatch vs. Fitbit Charge vs. Fitbit Flex vs. Apple Watch 7

 
Charge 2
ZenWatch
Charge
Flex
Watch 7
 FitbitCharge 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$150$130$100$429
Release20162014201420132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7-10 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NANA396 x 484
Sizen/a1.63 inchesNANA1.9 inches
Touchn/aNANA
TypeOLEDAMOLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP551 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNANAWatchOS 8
Apps
Music

All Wearables