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IDA Free vs RetDec: catalog facts
IDA Free	RetDec

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

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