Fitbit Ionic vs. Garmin Vivosmart 3 vs. Polar A370 vs. Diesel On Full Guard 2.5 vs. Garmin Instinct

 
Ionic
Vivosmart 3
A370
On Full Guard 2.5
Instinct
 FitbitIonicRemove Buy NowGarminVivosmart 3Remove Buy NowPolarA370Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$299$139.99$179.95$325$300
Release20172017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 daysUp to 3 days4 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x25064 x 128160 x 80454x454128 x 128
Size1.42NA1.18 inches1.39 inches0.9 inches
Touch
TypeOLEDOLEDTFT LCDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATMWR303 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OS
Apps
Music

All Wearables