Fitbit Flex vs. Garmin Vivofit 4 vs. Apple Watch Series 4 vs. Garmin VivoActive 4 vs. HTC re Grip

 
Flex
Vivofit 4
Watch Series 4
VivoActive 4
re Grip
 FitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch Series 4Remove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$79.95$329$349$199
Release20132018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 yearNot Yet8 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA88 x 88384 x 480260 x 260160 x 32
SizeNANA1.78 inches1.3ionches1.8 inches
TouchNA
TypeLEDNAMicroLEDMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATMNot Yet5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatch OS 5Wear OSNA
Apps
Music

All Wearables