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

 
Flex 2
ZenWatch
Flex
Watch 7
Watch Ultra
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$150$100$429$799
Release20162014201320212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA5 days18 Hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA396 x 484502x410 pixels
Sizen/a1.63 inchesNA1.9 inches1.92 inches
Touchn/aNA
TypeLEDAMOLEDLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP551 ATMwater resistant but not waterproof10 ATM (100 Meters)

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAWatchOS 8WatchOS 9
Apps
Music

All Wearables