Fitbit Alta vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Asus ZenWatch vs. Apple Watch 7

 
Alta
Watch Series 2
Ionic
ZenWatch
Watch 7
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$269$299$150$429
Release20162016201720142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours4+ daysNA18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312348x250320 x 320396 x 484
Sizen/a1.5 inches or 1.65 inches1.421.63 inches1.9 inches
Touchn/a
TypeOLEDAMOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM50mIP55water resistant but not waterproof

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aWatch OSFitbit OSAndroid WearWatchOS 8
Apps
Music

All Wearables