Garmin Forerunner 225 vs. Fitbit Alta vs. Diesel On Full Guard vs. Fitbit Flex vs. Polar A370

 
Forerunner 225
Alta
On Full Guard
Flex
A370
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$300$130$325$100$179.95
Release20152016201720132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days1 day5 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a454 x 454NA160 x 80
Size1 inchn/a1.4 inchesNA1.18 inches
Touchn/aNA
Typen/aOLEDOMOLEDLEDTFT LCD

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP671 ATMWR30

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2.0NA
Appsn/a
Musicn/a

All Wearables