Fitbit Flex 2 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Fitbit Inspire HR vs. Amazfit GTS

 
Flex 2
Flex
Forerunner 45
Inspire HR
GTS
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$100$199$99$150
Release20162013201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA208 x 208139 x 60348 x 442
Sizen/aNA1.04 inches1.4 inches1.65 inches
Touchn/aNA
TypeLEDLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inFitbit OSWear OS
Apps
Music

All Wearables