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

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

Basic Info

Suggested Price$150$69.99$150$100$429
Release20162016201420132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 daysNA5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40320 x 320NA396 x 484
Sizen/a0.42 inches1.63 inchesNA1.9 inches
Touchn/aNA
TypeOLEDOLEDAMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP67IP551 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAWatchOS 8
Apps
Music

All Wearables