Fitbit Alta vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. Asus VivoWatch

 
Alta
Watch Series 2
ZenWatch 3
Stratos
VivoWatch
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$130$269$229$199$160
Release20162016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hours5 days24 hours to 10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400320 x 300128 x 128
Sizen/a1.5 inches or 1.65 inches1.39 inches1.34 inchesNA
Touchn/a
TypeOLEDAMOLEDAMOLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATMIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2ProprietaryKoodOS
Apps
Music

All Wearables