Fitbit Flex 2 vs. Fitbit Charge vs. Garmin Vivosmart HR Plus vs. Amazfit GTS vs. Apple Series 6

 
Flex 2
Charge
Vivosmart HR Plus
GTS
Series 6
 FitbitFlex 2Remove Buy NowFitbitChargeRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitGTSRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$130$179$150$399
Release20162014201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days5 days14 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA160 x 68348 x 442384 x 480
Sizen/aNA0.5 inches x 0.8 inches1.65 inches40mm
Touchn/aNA
TypeLEDOLEDLCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWear OSWatchOS 5
Apps
Music

All Wearables