Garmin Forerunner 225 vs. Polar M400 vs. Pebble Time 2 vs. Garmin Vivofit 4 vs. Polar Loop

 
Forerunner 225
M400
Time 2
Vivofit 4
Loop
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowPebbleTime 2Remove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$300$200$199$79.95$100
Release20152014201620182013

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days10 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/aNA88 x 88NA
Size1 inchn/aNANANA
Touch
Typen/an/ae-paperNALED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM3 ATM5 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aPebble OSNA
Appsn/a
Musicn/a

All Wearables