Olio Model One vs. Polar A360 vs. Casio WSD-F20A vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Model One
A360
WSD-F20A
Forerunner 45
GTR
 OlioModel OneRemove Buy NowPolarA360Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$595$200$399$199$199
Release20152015201820192019

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration2 days12 days1 day7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a160 x 80320 x 320208 x 208454 x 454
Sizen/a1.18 inches1.32 inches1.04 inches1.39 inches
Touch
Typen/an/aLCDLCDAMOLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATM5 ATM

Notifications

Phonen/a
Emails
Texts

Software

Operating Systemn/an/aWear OSBuilt-inBuild-in
Appsn/a
Music

All Wearables