Compare software

Inno Script Studio vs WiX Toolset: catalog facts
Inno Script Studio	WiX Toolset
Free Free of charge, with optional donations.	Free Free and open source; FireGiant sells extended support for older versions.
Windows	Windows, Command line
Builds Inno Setup scripts through a graphical interface Compiles installers from within the same tool	Installer definitions are plain XML that fit in source control Integrates with build systems and Visual Studio through HeatWave
Windows only Requires Inno Setup and only produces Inno Setup installers	Steep learning curve compared with wizard-based installer builders Versions 3, 4 and 5 are out of community support
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.