Fitbit Ionic vs. Polar M430 vs. Fitbit Flex vs. Polar A370 vs. Polar Loop

 
Ionic
M430
Flex
A370
Loop
 FitbitIonicRemove Buy NowPolarM430Remove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$299$255$100$179.95$100
Release20172017201320172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days30 hours5 daysUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128x128NA160 x 80NA
Size1.421.4 inchNA1.18 inchesNA
TouchNA
TypeOLEDLCDLEDTFT LCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mWR301 ATMWR302 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNANA
Apps
Music

All Wearables