Pebble 2 vs. Polar M400 vs. Fitbit Flex 2 vs. Fitbit One vs. Polar Loop

 
2
M400
Flex 2
One
Loop
 Pebble2Remove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$129$200$100$100$100
Release20162014201620122013

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days5 days10-14 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/an/aNA
Sizen/an/an/an/aNA
Touchn/a
Typee-papern/aLEDOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM5 ATMSplast Resistant2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/aNA
Apps
Music

All Wearables