Olio Model One vs. Fitbit Flex 2 vs. Polar A360 vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Model One
Flex 2
A360
Forerunner 45
GTR
 OlioModel OneRemove Buy NowFitbitFlex 2Remove Buy NowPolarA360Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$595$100$200$199$199
Release20152016201520192019

Activity & Fitness

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

Battery

Duration2 days5 days12 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 80208 x 208454 x 454
Sizen/an/a1.18 inches1.04 inches1.39 inches
Touchn/a
Typen/aLEDn/aLCDAMOLED

Functions

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

Hardware

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

Notifications

Phonen/a
Emails
Texts

Software

Operating Systemn/an/an/aBuilt-inBuild-in
Appsn/a
Music

All Wearables