Fitbit Alta vs. Amazfit Stratos vs. Fitbit Versa vs. Fitbit Charge vs. Apple Series 6

 
Alta
Stratos
Versa
Charge
Series 6
 FitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowFitbitVersaRemove Buy NowFitbitChargeRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$199$199.99$130$399
Release20162018201820142020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4 days7-10 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300300 x300NA384 x 480
Sizen/a1.34 inches1.34 inchesNA40mm
Touchn/aNA
TypeOLEDOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryNAWatchOS 5
Apps
Music

All Wearables