Fitbit Alta vs. Fitbit Versa 2 vs. Amazfit GTR vs. Apple Series 6

 
Alta
Versa 2
GTR
Series 6
 FitbitAltaRemove Buy NowFitbitVersa 2Remove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$199$199$399
Release2016201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x 300454 x 454384 x 480
Sizen/a1.34 inches1.39 inches40mm
Touchn/a
TypeOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aBuild-inBuild-inWatchOS 5
Apps
Music

All Wearables