Fitbit One vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. Apple Watch 7 vs. Apple Watch 8

 
One
ZenWatch 3
Flex
Watch 7
Watch 8
 FitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$229$100$429$499
Release20122017201320212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days48 hours5 days18 Hours18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400NA396 x 484340 x 272 or 390 x 312
Sizen/a1.39 inchesNA1.9 inches1.5 inches or 1.65 inches
TouchNA
TypeOLEDAMOLEDLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant1 ATMwater resistant but not waterproof5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NAWatchOS 8WatchOS 9
Apps
Music

All Wearables