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IDA Free vs REDasm: catalog facts
IDA Free	REDasm

Best for: Students and hobbyists learning reverse engineering on x86 binaries	Best for: Reverse engineers who want a free, open-source disassembler
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 GPL-3.0 licence.
Windows, macOS, Linux	Windows
Same core disassembler as the commercial IDA Includes a decompiler for x86 and x86-64 Runs on Windows, macOS and Linux	Supports multiple processor architectures Handles legacy executable formats Extensible through plugins Open source with no licence restrictions
Not licensed for commercial use Only x86 and x86-64 are supported Decompilation runs in the cloud and needs a connection	Little documentation on the project homepage Smaller community than established commercial disassemblers
Downloadable app	Downloadable app
Not open source	Open source
License: Proprietary	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
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 REDasm redasm.dev Catalog checked October 2, 2026

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