Fitbit Flex 2 vs. Amazfit Stratos vs. Amazfit GTR vs. Apple Series 6 vs. Fitbit Inspire 3

 
Flex 2
Stratos
GTR
Series 6
Inspire 3
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$199$199$399$100
Release20162018201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 daysNot yet10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300454 x 454384 x 48032x18
Sizen/a1.34 inches1.39 inches40mm46 inches
Touchn/a
TypeLEDOLEDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryBuild-inWatchOS 5
Apps
Music

All Wearables