Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Apple SE (2022) vs. Apple Watch Ultra

 
Flex 2
ZenWatch 3
Ionic
SE (2022)
Watch Ultra
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAppleSE (2022)Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$229$299$249$799
Release20162017201720222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ daysNot yet36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a368 x 448 pixels
Resolutionn/a400 x 400348x25040mm502x410 pixels
Sizen/a1.39 inches1.421.92 inches
Touchn/aLTPO OLED Retina
TypeLEDAMOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATM50m10 ATM (100 Meters)

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSWatchOS 9
Apps
Music

All Wearables