Polar V800 vs. Fitbit Ionic vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Apple Watch 8

 
V800
Ionic
Flex
On Full Guard 2.5
Watch 8
 PolarV800Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$470$299$100$325$499
Release20142017201320182022

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 30 days4+ days5 days4 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250NA454x454340 x 272 or 390 x 312
Sizen/a1.42NA1.39 inches1.5 inches or 1.65 inches
TouchNA
Typen/aOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM50m1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNAWear OSWatchOS 9
Apps
Music

All Wearables