Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Garmin Vivofit 4 vs. Apple Series 6

 
Alta
ZenWatch 3
Ionic
Vivofit 4
Series 6
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowGarminVivofit 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$229$299$79.95$399
Release20162017201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ days1 yearNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400348x25088 x 88384 x 480
Sizen/a1.39 inches1.42NA40mm
Touchn/a
TypeOLEDAMOLEDOLEDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a50m5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSWatchOS 5
Apps
Music

All Wearables