Fitbit Flex 2 vs. Diesel On Full Guard vs. Garmin Vivofit 4 vs. Garmin Vivosmart 3 vs. Apple Watch 7

 
Flex 2
On Full Guard
Vivofit 4
Vivosmart 3
Watch 7
 FitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 3Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$325$79.95$139.99$429
Release20162017201820172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 year5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x 45488 x 8864 x 128396 x 484
Sizen/a1.4 inchesNANA1.9 inches
Touchn/a
TypeLEDOMOLEDNAOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0WatchOS 8
Apps
Music

All Wearables