# APX Labs Arsenal (Cipher & Niro) vs RsaCtfTool: side-by-side comparison (2026) [APX Labs Arsenal (Cipher & Niro)](https://cybersectools.com/tools/apx-labs-arsenal-cipher-and-niro) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [APX Labs](https://cybersectools.com/companies/apx-labs). [RsaCtfTool](https://cybersectools.com/tools/rsactftool) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | APX Labs Arsenal (Cipher & Niro) | RsaCtfTool | |---|---|---| | Pricing model | Commercial | Free | | Category | Penetration Testing | Penetration Testing | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB | | GitHub stars | – | 6,830 | | Last commit | – | Mar 2026 | | Company | APX Labs | – | | Headquarters | – | – | ### Use cases and capabilities | | APX Labs Arsenal (Cipher & Niro) | RsaCtfTool | |---|---|---| | AI Pentesting | Yes | – | | DAST | Yes | – | | CI/CD | Yes | – | | Penetration Testing Framework | Yes | – | | Vulnerability | Yes | – | | Exploit Development | Yes | – | | DevSecOps | Yes | – | | Continuous Testing | Yes | – | | App Security | Yes | – | | Red Team | Yes | – | | CTF | – | Yes | | Education | – | Yes | ### Core features **APX Labs Arsenal (Cipher & Niro)** 10 features listed. Sign in on the page to see them. **RsaCtfTool** No features listed. ### Integrations **APX Labs Arsenal (Cipher & Niro)** 3 integrations listed. Sign in on the page to see them. **RsaCtfTool** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [APX Labs Arsenal (Cipher & Niro)](https://cybersectools.com/tools/apx-labs-arsenal-cipher-and-niro) fits if you want a cloud product and you are a mid-market company or an enterprise. - [RsaCtfTool](https://cybersectools.com/tools/rsactftool) fits if you need to run it on your own servers, you need a free product and you want an open-source product. ## APX Labs Arsenal (Cipher & Niro) vs RsaCtfTool FAQ Common questions when comparing APX Labs Arsenal (Cipher & Niro) vs RsaCtfTool for penetration testing. ### What is the difference between APX Labs Arsenal (Cipher & Niro) and RsaCtfTool? **APX Labs Arsenal (Cipher & Niro)**: AI-driven pentest suite: Cipher tests live apps, Niro secures PRs in CI/CD, built by APX Labs. **RsaCtfTool**: A utility that attempts to decrypt data from weak RSA public keys and recover private keys using multiple integer factorization algorithms. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes APX Labs Arsenal (Cipher & Niro) and RsaCtfTool? **APX Labs Arsenal (Cipher & Niro)** is made by APX Labs. **RsaCtfTool** is open-source with 6,830 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is APX Labs Arsenal (Cipher & Niro) a good alternative to RsaCtfTool? Often, yes. APX Labs Arsenal (Cipher & Niro) and RsaCtfTool are both Penetration Testing products. Key differences: APX Labs Arsenal (Cipher & Niro) is Commercial while RsaCtfTool is Free, RsaCtfTool is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [APX Labs Arsenal (Cipher & Niro) vs Novee AI Pentesting](https://cybersectools.com/compare/apx-labs-arsenal-cipher-and-niro-vs-novee-ai-pentesting) - [APX Labs Arsenal (Cipher & Niro) vs Tenzai](https://cybersectools.com/compare/apx-labs-arsenal-cipher-and-niro-vs-tenzai) - [APX Labs Arsenal (Cipher & Niro) vs Parameter Pentesting](https://cybersectools.com/compare/apx-labs-arsenal-cipher-and-niro-vs-parameter-pentesting) - [RsaCtfTool vs Novee AI Pentesting](https://cybersectools.com/compare/novee-ai-pentesting-vs-rsactftool) - [RsaCtfTool vs Tenzai](https://cybersectools.com/compare/rsactftool-vs-tenzai) - [RsaCtfTool vs Parameter Pentesting](https://cybersectools.com/compare/parameter-pentesting-vs-rsactftool) ## Alternatives to each - [See all APX Labs Arsenal (Cipher & Niro) alternatives](https://cybersectools.com/alternatives/apx-labs-arsenal-cipher-and-niro) - [See all RsaCtfTool alternatives](https://cybersectools.com/alternatives/rsactftool) --- Source: https://cybersectools.com/compare/apx-labs-arsenal-cipher-and-niro-vs-rsactftool For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/apx-labs-arsenal-cipher-and-niro.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on APX Labs Arsenal (Cipher & Niro) and RsaCtfTool: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md