Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit Stratos vs. Fitbit Versa vs. Apple Watch Series 4

 
Alta
Watch Series 2
Stratos
Versa
Watch Series 4
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitVersaRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$269$199$199.99$329
Release20162016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 days4 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 300300 x300384 x 480
Sizen/a1.5 inches or 1.65 inches1.34 inches1.34 inches1.78 inches
Touchn/a
TypeOLEDAMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATM5 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSProprietaryWatch OS 5
Apps
Music

All Wearables