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REDasm vs IDA Free: catalog facts
REDasm	IDA Free

Best for: Reverse engineers who want a free, open-source disassembler	Best for: Students and hobbyists learning reverse engineering on x86 binaries
Free Free and open source under the GPL-3.0 licence.	Free Free for non-commercial use; paid IDA Home and IDA Pro editions add more features and commercial rights.
Windows	Windows, macOS, Linux
Supports multiple processor architectures Handles legacy executable formats Extensible through plugins Open source with no licence restrictions	Same core disassembler as the commercial IDA Includes a decompiler for x86 and x86-64 Runs on Windows, macOS and Linux
Little documentation on the project homepage Smaller community than established commercial disassemblers	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: GPL-3.0	License: Proprietary
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Sources for REDasm redasm.dev 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.