Fitbit Ionic vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Diesel On Full Guard 2.5 vs. Garmin Instinct

 
Ionic
Flex
Vivofit 4
On Full Guard 2.5
Instinct
 FitbitIonicRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$299$100$79.95$325$300
Release20172013201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days1 year4 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250NA88 x 88454x454128 x 128
Size1.42NANA1.39 inches0.9 inches
TouchNA
TypeOLEDLEDNAOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATM5 ATM3 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNAWear OS
Apps
Music

All Wearables