Fitbit Alta vs. Fitbit Zip vs. Fitbit Alta HR vs. Apple Watch Series 4 vs. Amazfit GTS

 
Alta
Zip
Alta HR
Watch Series 4
GTS
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$60$150$329$150
Release20162012201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 daysNot Yet14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 36384 x 480348 x 442
Sizen/an/a1.4 inches1.78 inches1.65 inches
Touchn/a
TypeOLEDn/aOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash ResistantNot Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OS 5Wear OS
Apps
Music

All Wearables