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

 
Alta
Ionic
Flex
A370
Loop
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$130$299$100$179.95$100
Release20162017201320172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days5 daysUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250NA160 x 80NA
Sizen/a1.42NA1.18 inchesNA
Touchn/aNA
TypeOLEDOLEDLEDTFT LCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m1 ATMWR302 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSNANA
Apps
Music

All Wearables