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This page compares the differences between using a Fire TV device versus a virtual device for development. For instructions on running apps on either method, visit Run Your App on Vega Virtual Device or Fire TV Stick.

Comparison of test environment

	Fire TV Device	Vega Virtual Device
Hardware	Physical device with ARM architecture.	Virtual environment using host CPU architecture.
Performance	Real-world performance metrics.	Limited by host machine capabilities.
Recommended for	• Final testing. • Performance optimization. • Production validation. • User experience testing.	• Initial development. • Quick iterations. • Basic functionality testing. • Early debugging.
Supported features	All Fire TV components and APIs.	Only supports: • In-App Purchasing (IAP) • Digital Rights Management (DRM) on Mac M-series processors • Webview on Mac M-series processors Other middleware including Login with Amazon (LWA), Launcher, and other Fire TV APIs are NOT supported.
Performance testing	Accurate real-world metrics.	Not supported for performance testing.
Development speed	For production quality testing.	Rapid development and testing.
Testing reliability	Good for production environment.	May vary from production behavior.

Best practices

Perform local and unit testing using Vega Virtual Device.
Perform integration and production testing using Fire TV device.
Use both environments for efficient development and testing.

Last modified on August 21, 2026