Apple Watch Series 3 vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Fitbit Inspire 3

 
Watch Series 3
Flex 2
ZenWatch 3
Ionic
Inspire 3
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$329$100$229$299$100
Release20172016201720172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days48 hours4+ days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a400 x 400348x25032x18
Size1.5 inches or 1.65 inchesn/a1.39 inches1.4246 inches
Touchn/a
TypeAMOLEDLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aAndroid Wear 2Fitbit OS
Apps
Music

All Wearables