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No. 1 of 73 ·Reverse Engineering Tools

Frida

Windows · Mac · Linux · Android · iPhone · API

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Freedom report

Three barsScore 6.7

  • Free tierA free tier is on its own pricing page
  • Open codeNo open-source code on record
  • Runs widely5 of 6 device platforms
  • DocumentedPlans, terms and facts published

Frida is a free dynamic instrumentation toolkit for developers, reverse-engineers, and security researchers. It lets users insert scripts into running processes to hook functions, inspect APIs, or trace application code without source code. Its documented uses include API tracing, diagnostics, encrypted-protocol analysis, and black-box testing. Frida supports injected, embedded, and preloaded instrumentation; its Gadget can be embedded in a program when injected mode is unavailable, including on jailed iOS and Android systems. Supported targets include Windows, macOS, GNU/Linux, iOS, watchOS, tvOS, Android, FreeBSD, and QNX. Language bindings are available for Node.js, Python, Swift, .NET, Qt/Qml, and Go, alongside a C API. The command-line tools require Python and run on Windows, macOS, or GNU/Linux. Frida’s official native GUI, Luma, includes persistent sessions, a live REPL, pluggable instruments, and real-time collaboration. Frida describes itself as free software and says it will always be free.

Who it is for

Frida suits developers, reverse-engineers, and security researchers who need to inspect or trace running applications. Its multiple instrumentation modes and language bindings support a range of workflows.

What is good

  • Free software with no paid plans listed
  • Can trace application code without source code
  • Supports injected, embedded, and preloaded modes
  • Targets include mobile and desktop systems
  • Offers bindings for several programming languages

What to know first

  • CLI tools require Python
  • CLI tools run on Windows, macOS, or GNU/Linux
  • Luma lists minimums of macOS 15+ and iOS 26+

Verdict

Frida provides dynamic instrumentation across a broad set of operating systems, with both command-line tools and the Luma GUI. It is free software, though its CLI tools require Python.

Frida plans and pricing

All plans
Free software Free Free software; no paid plans listed frida.re · 2 Oct 2026

Compared on reverse engineering tools

Free plan
Yes
Analysis mode
dynamic
Plugin API
Yes
Supported platforms
Windows, macOS, GNU/Linux, iOS, watchOS, tvOS, Android, FreeBSD, QNX
Supported architectures
ia32, x64, arm, arm64

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