Fitbit Flex 2 vs. Fitbit One vs. Fossil Q Dreamer vs. ASUS ZenWatch 3 vs. Amazfit T-Rex

 
Flex 2
One
Q Dreamer
ZenWatch 3
T-Rex
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowFossilQ DreamerRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$100$125$229$140
Release20162012201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days7 days48 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a400 x 400360 x 360
Sizen/an/an/a1.39 inches1.3 inches
Touchn/an/a
TypeLEDOLEDn/aAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast ResistantIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2Build-in
Apps
Music

All Wearables