Garmin Forerunner 225 vs. Pebble Time Round vs. Polar M400 vs. Pebble Time 2 vs. Fitbit Alta HR

 
Forerunner 225
Time Round
M400
Time 2
Alta HR
 GarminForerunner 225Remove Buy NowPebbleTime RoundRemove Buy NowPolarM400Remove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$200$200$199$150
Release20152015201420162017

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks2 days8 hours to 30 days10 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/an/aNA128 x 36
Size1 inchroundn/aNA1.4 inches
Touch
Typen/ae-papern/ae-paperOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX73 ATM3 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aPebble OSn/aPebble OS
Appsn/a
Musicn/a

All Wearables