ASUS ZenWatch 2 vs. Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Amazfit Stratos

 
ZenWatch 2
Alta
ZenWatch 3
Ionic
Stratos
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$150$130$229$299$199
Release20162016201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days48 hours4+ days5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a400 x 400348x250320 x 300
Size1.63 inches or 1.45 inchn/a1.39 inches1.421.34 inches
Touchn/a
TypeAMOLEDOLEDAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a50m5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid Wear 2Fitbit OSProprietary
Apps
Music

All Wearables