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

 
One
Zip
Loop 2
Alta HR
Flex
 FitbitOneRemove Buy NowFitbitZipRemove Buy NowPolarLoop 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$60$120$150$100
Release20122012201520172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days6 months8 days (without notifications)7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a128 x 36NA
Sizen/an/an/a1.4 inchesNA
TouchNA
TypeOLEDn/aLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantSplash Resistant2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables