Fitbit Alta vs. Fitbit Inspire HR vs. Amazfit GTS vs. Apple Series 6 vs. Apple Watch Ultra

 
Alta
Inspire HR
GTS
Series 6
Watch Ultra
 FitbitAltaRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTSRemove Buy NowAppleSeries 6Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$99$150$399$799
Release20162019201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days14 daysNot yet36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a139 x 60348 x 442384 x 480502x410 pixels
Sizen/a1.4 inches1.65 inches40mm1.92 inches
Touchn/a
TypeOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSWear OSWatchOS 5WatchOS 9
Apps
Music

All Wearables