Olio Model One vs. Polar M600 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Polar Loop

 
Model One
M600
Flex 2
WSD-F20A
Loop
 OlioModel OneRemove Buy NowPolarM600Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$595$330$100$399$100
Release20152016201620182013

Activity & Fitness

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

Battery

Duration2 days2 days5 days1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/a320 x 320NA
Sizen/a1.3 inchesn/a1.32 inchesNA
Touchn/an/a
Typen/aTFTLEDLCDLED

Functions

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

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATM5 ATM2 ATM

Notifications

Phonen/a
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aWear OSNA
Appsn/a
Music

All Wearables