Fitbit One vs. Amazfit Stratos vs. Fitbit Flex vs. Amazfit GTR vs. Amazfit GTS

 
One
Stratos
Flex
GTR
GTS
 FitbitOneRemove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$199$100$199$150
Release20122018201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days5 days24 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300NA454 x 454348 x 442
Sizen/a1.34 inchesNA1.39 inches1.65 inches
TouchNA
TypeOLEDOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNABuild-inWear OS
Apps
Music

All Wearables