Samsung Gear S3 vs. Moov Now vs. Polar A370 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Gear S3
Now
A370
Inspire HR
T-Rex
 SamsungGear S3Remove Buy NowMoovNowRemove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$79$179.95$99$140
Release20162015201720192019

Activity & Fitness

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

Battery

Duration4 days6 monthsUp to 3 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution360 x 360n/a160 x 80139 x 60360 x 360
Size1.3 inchesn/a1.18 inches1.4 inches1.3 inches
Touchn/a
TypeFullcolor AODn/aTFT LCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIP68n/aWR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aFitbit OSBuild-in
Apps
Music

All Wearables