Fitbit Flex 2 vs. Amazfit Pace vs. Casio WSD-F20A vs. Jaybird Reign vs. Polar Loop

 
Flex 2
Pace
WSD-F20A
Reign
Loop
 FitbitFlex 2Remove Buy NowAmazfitPaceRemove Buy NowCasioWSD-F20ARemove Buy NowJaybirdReignRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$130$399$150$100
Release20162017201820152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300320 x 320NANA
Sizen/a1.34 inches1.32 inchesNANA
Touchn/aNA
TypeLEDTFT LCDLCDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATMNA2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSNANA
Apps
Music

All Wearables