Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit One vs. Fitbit Flex vs. Polar Loop

 
Alta
Flex 2
One
Flex
Loop
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$130$100$100$100$100
Release20162016201220132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days10-14 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNANA
Sizen/an/an/aNANA
Touchn/an/aNA
TypeOLEDLEDOLEDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplast Resistant1 ATM2 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aNANA
Apps
Music

All Wearables