Polar M400 vs. Polar Loop 2 vs. Basis Peak vs. Fitbit Flex vs. Polar Loop

 
M400
Loop 2
Peak
Flex
Loop
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowBasisPeakRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$120$200$100$100
Release20142015201420132013

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)4 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a168 x 144NANA
Sizen/an/a1.25 inchesNANA
TouchNA
Typen/aLEDLCDLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANANA
Apps
Music

All Wearables