Fitbit Flex 2 vs. Basis Peak vs. Fitbit Charge 3 vs. Fitbit Flex vs. Polar Loop

 
Flex 2
Peak
Charge 3
Flex
Loop
 FitbitFlex 2Remove Buy NowBasisPeakRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$200$150$100$100
Release20162014201820132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a168 x 14466 x 18NANA
Sizen/a1.25 inches.721 inchesNANA
Touchn/aNA
TypeLEDLCDOLEDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANANA
Apps
Music

All Wearables