Fitbit Flex 2 vs. Polar A360 vs. Polar Loop 2 vs. Amazfit Stratos vs. Acer Liquid Leap

 
Flex 2
A360
Loop 2
Stratos
Liquid Leap
 FitbitFlex 2Remove Buy NowPolarA360Remove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowAcerLiquid LeapRemove Buy Now

Basic Info

Suggested Price$100$200$120$199$90
Release20162015201520182015

Activity & Fitness

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

Battery

Duration5 days12 days8 days (without notifications)5 days5 to 7 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/a160 x 80n/a320 x 300128 x 32
Sizen/a1.18 inchesn/a1.34 inches1 inch
Touchn/a
TypeLEDn/aLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR302 ATM5 ATMIPX4

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aProprietary
Apps
Music

All Wearables