Fitbit Surge vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Fitbit Flex vs. Apple Watch 7

 
Surge
ZenWatch 3
Ionic
Flex
Watch 7
 FitbitSurgeRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$250$229$299$100$429
Release20162017201720132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days48 hours4+ days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400348x250NA396 x 484
Size1.26 inches1.39 inches1.42NA1.9 inches
TouchNA
TypeMonochrome LCDAMOLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSNAWatchOS 8
Apps
Music

All Wearables