Fitbit Alta HR vs. Fitbit Charge vs. Polar Loop vs. Sony SmartBand vs. Amazfit GTS

 
Alta HR
Charge
Loop
SmartBand
GTS
 FitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy NowSonySmartBandRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$130$100$100$150
Release20172014201320142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7-10 days5 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution128 x 36NANANA348 x 442
Size1.4 inchesNANANA1.65 inches
TouchNANA
TypeOLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM2 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANANAWear OS
Apps
Music

All Wearables