Withings Activite Sapphire vs. Skagen Falster vs. Fitbit Flex vs. Skagen Falster 2 vs. Amazfit T-Rex

 
Activite Sapphire
Falster
Flex
Falster 2
T-Rex
 WithingsActivite SapphireRemove Buy NowSkagenFalsterRemove Buy NowFitbitFlexRemove Buy NowSkagenFalster 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$275$100$199$140
Release20142018201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months24 hours5 days1 day20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA320 x 320360 x 360
Size1.3 inchesNA1.19 inches1.3 inches
TouchNA
TypeAnalogOLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWear OSBuild-in
Apps
Music

All Wearables