Polar V800 vs. Fitbit Flex 2 vs. Polar A360 vs. Polar Loop 2 vs. Amazfit Stratos

 
V800
Flex 2
A360
Loop 2
Stratos
 PolarV800Remove Buy NowFitbitFlex 2Remove Buy NowPolarA360Remove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$470$100$200$120$199
Release20142016201520152018

Activity & Fitness

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

Battery

Duration13 hours to 30 days5 days12 days8 days (without notifications)5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 80n/a320 x 300
Sizen/an/a1.18 inchesn/a1.34 inches
Touchn/a
Typen/aLEDn/aLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMWR302 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/aProprietary
Apps
Music

All Wearables