Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Amazfit Stratos vs. Asus VivoWatch

 
Alta
ZenWatch 3
Ionic
Stratos
VivoWatch
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$130$229$299$199$160
Release20162017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ days5 days24 hours to 10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400348x250320 x 300128 x 128
Sizen/a1.39 inches1.421.34 inchesNA
Touchn/a
TypeOLEDAMOLEDOLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a50m5 ATMIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSProprietaryKoodOS
Apps
Music

All Wearables