Fitbit Flex 2 vs. Misfit Ray vs. Polar A360 vs. Polar Loop 2 vs. Amazfit Stratos

 
Flex 2
Ray
A360
Loop 2
Stratos
 FitbitFlex 2Remove Buy NowMisfitRayRemove Buy NowPolarA360Remove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$100$100$200$120$199
Release20162016201520152018

Activity & Fitness

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

Battery

Duration5 days6 months12 days8 days (without notifications)5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

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

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR302 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables