Polar V800 vs. Fitbit Flex 2 vs. Polar Loop 2 vs. Apple Watch Series 5 vs. Amazfit GTR

 
V800
Flex 2
Loop 2
Watch Series 5
GTR
 PolarV800Remove Buy NowFitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$470$100$120$329$199
Release20142016201520192019

Activity & Fitness

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

Battery

Duration13 hours to 30 days5 days8 days (without notifications)Not Yet24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a384 x 480454 x 454
Sizen/an/an/a1.78 Inches1.39 inches
Touchn/a
Typen/aLEDLEDMicroLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM2 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatchOS 5Build-in
Apps
Music

All Wearables