Fitbit Alta vs. Amazfit Stratos vs. Fitbit Charge vs. Fitbit Inspire HR vs. Apple Watch 7

 
Alta
Stratos
Charge
Inspire HR
Watch 7
 FitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowFitbitChargeRemove Buy NowFitbitInspire HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$199$130$99$429
Release20162018201420192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7-10 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300NA139 x 60396 x 484
Sizen/a1.34 inchesNA1.4 inches1.9 inches
Touchn/aNA
TypeOLEDOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryNAFitbit OSWatchOS 8
Apps
Music

All Wearables