Garmin Forerunner 225 vs. Fitbit Alta HR vs. Polar A370 vs. Swatch Touch Zero One vs. Amazfit T-Rex

 
Forerunner 225
Alta HR
A370
Touch Zero One
T-Rex
 GarminForerunner 225Remove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowSwatchTouch Zero OneRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$150$179.95$220$140
Release20152017201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swimn/a

Battery

Duration10 hours to 4 weeks7 daysUp to 3 daysn/a20 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180128 x 36160 x 80n/a360 x 360
Size1 inch1.4 inches1.18 inchesn/a1.3 inches
Touch
Typen/aOLEDTFT LCDn/aAMOLED

Functions

Audio Speaker22n/a
Clock
Phonen/an/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM

Notifications

Phonen/an/a
Emailsn/an/a
Textsn/an/a

Software

Operating Systemn/an/aBuild-in
Appsn/a
Musicn/an/a

All Wearables