Apple Watch Series 3 vs. Fitbit Alta vs. Amazfit Stratos vs. Fitbit Alta HR vs. Fitbit Versa 2

 
Watch Series 3
Alta
Stratos
Alta HR
Versa 2
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$329$130$199$150$199
Release20172016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days5 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 300128 x 36300 x 300
Size1.5 inches or 1.65 inchesn/a1.34 inches1.4 inches1.34 inches
Touchn/a
TypeAMOLEDOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/aProprietaryBuild-in
Apps
Music

All Wearables