Fitbit Alta vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Jawbone UP2 vs. Amazfit T-Rex

 
Alta
Watch Series 2
ZenWatch 3
UP2
T-Rex
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowJawboneUP2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$269$229$100$140
Release20162016201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hours7 days20 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 400NA360 x 360
Sizen/a1.5 inches or 1.65 inches1.39 inchesNA1.3 inches
Touchn/aNA
TypeOLEDAMOLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMSplash resistant5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2NABuild-in
Apps
Music

All Wearables