Amazfit Arc vs. Fitbit Alta HR vs. Polar A370 vs. Sony SmartBand vs. Amazfit T-Rex

 
Arc
Alta HR
A370
SmartBand
T-Rex
 AmazfitArcRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowSonySmartBandRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$69.99$150$179.95$100$140
Release20162017201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 daysUp to 3 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution72 x40128 x 36160 x 80NA360 x 360
Size0.42 inches1.4 inches1.18 inchesNA1.3 inches
TouchNA
TypeOLEDOLEDTFT LCDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67WR30IP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuild-in
Apps
Music

All Wearables