Fitbit Alta vs. Fitbit Charge 2 vs. Diesel On Full Guard vs. Polar A370 vs. Amazfit GTS

 
Alta
Charge 2
On Full Guard
A370
GTS
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowDieselOn Full GuardRemove Buy NowPolarA370Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$150$325$179.95$150
Release20162016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 dayUp to 3 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a454 x 454160 x 80348 x 442
Sizen/an/a1.4 inches1.18 inches1.65 inches
Touchn/an/a
TypeOLEDOLEDOMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/aIP67WR305 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Wear OS
Apps
Music

All Wearables