Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Fitbit Charge HR vs. Fitbit Flex vs. Amazfit GTS

 
Flex 2
Forerunner 235
Charge HR
Flex
GTS
 FitbitFlex 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$299.99$150$100$150
Release20162017201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days5 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a215 x 180NANA348 x 442
Sizen/a1.23 inchesNANA1.65 inches
Touchn/aNANA
TypeLEDMIPOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWear OS
Apps
Music

All Wearables