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Qt Creator vs RAD Studio: catalog facts
Qt Creator	RAD Studio
Freemium Available through the Qt download page; commercial Qt licensing is offered alongside open…	Paid Commercial licence with an update subscription; free Community Editions of Delphi and…
Windows, macOS, Linux	Windows
Built specifically for Qt and QML development Regular releases with a published release cycle	Delphi and C++Builder in a single IDE Visual designers for building application interfaces
Most useful for projects that use the Qt framework Licensing terms depend on how Qt is used	Full product is commercial and sold with a subscription Centred on Delphi and C++, not a general-purpose editor
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License: Proprietary
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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