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RetDec vs IDA Free: catalog facts
RetDec	IDA Free

Best for: Reverse engineers and malware analysts who want a free decompiler	Best for: Students and hobbyists learning reverse engineering on x86 binaries
Free Free and open source under the MIT licence.	Free Free for non-commercial use; paid IDA Home and IDA Pro editions add more features and commercial rights.
Windows, Linux, Command line	Windows, macOS, Linux
Free decompiler under a permissive licence Built on LLVM and retargetable across architectures Dockerfile provided for reproducible builds	Same core disassembler as the commercial IDA Includes a decompiler for x86 and x86-64 Runs on Windows, macOS and Linux
Project is in limited maintenance mode Command-line tool with no graphical interface Intended for authorized analysis of software you are allowed to examine	Not licensed for commercial use Only x86 and x86-64 are supported Decompilation runs in the cloud and needs a connection
Downloadable app	Downloadable app
Open source	Not open source
License: MIT	License: Proprietary
No account needed	Not stated if an account is needed
Offline features available	Needs internet
Official website Full listing and sources Sources for RetDec retdec.com github.com/avast/retdec Catalog checked October 2, 2026	Official website Full listing and sources Sources for IDA Free hex-rays.com/ida-free Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.