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Hopper Disassembler vs RetDec: catalog facts
Hopper Disassembler	RetDec

Best for: Reverse engineering macOS and iOS binaries on a Mac	Best for: Reverse engineers and malware analysts who want a free decompiler
Paid Paid license, with a free trial available.	Free Free and open source under the MIT licence.
macOS	Windows, Linux, Command line
Assembly, CFG and pseudo-code views side by side Swift name demangling and Objective-C selector extraction LLDB and GDB debugging support MCP server for connecting language models	Free decompiler under a permissive licence Built on LLVM and retargetable across architectures Dockerfile provided for reproducible builds
Mac only, requires macOS 12.4 or newer Paid after the trial	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
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Hopper Disassembler hopperapp.com Catalog checked October 1, 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.