Fitbit One vs. Fitbit Ionic vs. Garmin 645 Music vs. Fitbit Flex vs. Polar Loop

 
One
Ionic
645 Music
Flex
Loop
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$299$450$100$100
Release20122017201820132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ days7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x 240NANA
Sizen/a1.421.2 inchesNANA
TouchNA
TypeOLEDOLEDMIPLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m5 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNANA
Apps
Music

All Wearables