Fitbit One vs. ASUS ZenWatch 3 vs. Fitbit Charge vs. Swatch Touch Zero One vs. Amazfit T-Rex

 
One
ZenWatch 3
Charge
Touch Zero One
T-Rex
 FitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitChargeRemove Buy NowSwatchTouch Zero OneRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$229$130$220$140
Release20122017201420152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swimn/a

Battery

Duration10-14 days48 hours7-10 daysn/a20 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/aNAn/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400NAn/a360 x 360
Sizen/a1.39 inchesNAn/a1.3 inches
TouchNA
TypeOLEDAMOLEDOLEDn/aAMOLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceSplast Resistant1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid Wear 2NAn/aBuild-in
Apps
Musicn/a

All Wearables