Apple Watch Series 3 vs. Garmin Forerunner 735XT vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic

 
Watch Series 3
Forerunner 735XT
Flex 2
ZenWatch 3
Ionic
 AppleWatch Series 3Remove Buy NowGarminForerunner 735XTRemove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$329$450$100$229$299
Release20172016201620172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours14 hours to 11 days5 days48 hours4+ days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312215 x 180n/a400 x 400348x250
Size1.5 inches or 1.65 inches1.23 inchesn/a1.39 inches1.42
Touchn/an/a
TypeAMOLEDn/aLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM50m

Notifications

Phone
Emails
Texts

Software

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

All Wearables