Fitbit Zip vs. Polar Loop 2 vs. Amazfit Arc vs. Fitbit Flex

 
Zip
Loop 2
Arc
Flex
 FitbitZipRemove Buy NowPolarLoop 2Remove Buy NowAmazfitArcRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$60$120$69.99$100
Release2012201520162013

Activity & Fitness

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

Battery

Duration6 months8 days (without notifications)20 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a72 x40NA
Sizen/an/a0.42 inchesNA
TouchNA
Typen/aLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant2 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables