head to head · open source
Mobile-Security-Framework-MobSF vs Yaak
Mobile-Security-Framework-MobSF has 21,789 GitHub stars, 3,760 forks, 31 open issues and last shipped 9 days ago. Yaak has 19,224 stars, 813 forks, 19 open issues and last shipped yesterday. Mobile-Security-Framework-MobSF leads on adoption by 13% (21,789 vs 19,224 stars). Mobile-Security-Framework-MobSF is written in JavaScript under GPL-3.0; Yaak is written in TypeScript under MIT. Mobile-Security-Framework-MobSF has attracted 17% as many forks as stars, Yaak 4%. Yaak was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Mobile-Security-Framework-MobSF | Yaak | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 19K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-09 | 2026-09-17 |
| Forks | ⑂ 3.8K | ⑂ 813 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mobile-Security-Framework-MobSF if
- You weight community size — 22K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Yaak if
- You want the Yaak feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Yaak fits your workflow better
About Mobile-Security-Framework-MobSF
Mobile Security Framework (MobSF) is an open source, automated, all in one framework for mobile application security testing across Android, iOS, and Windows Mobile that performs static and dynamic analysis for penetration testing, malware analysis, and privacy assessment, built for security researchers, penetration testers, and DevSecOps teams.
read the full Mobile-Security-Framework-MobSF overview →
About Yaak
Yaak is a desktop API client for REST, GraphQL, gRPC, WebSocket, and Server Sent Events. It is built with Tauri, Rust, and React, and it lives in the developer tools ecosystem for API development and testing. The project presents itself as an offline first, privacy first alternative to Postman, Insomnia, and Bruno.
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Frequently asked questions
Is Mobile-Security-Framework-MobSF or Yaak more popular?
Mobile-Security-Framework-MobSF has 21,789 GitHub stars and Yaak has 19,224. Mobile-Security-Framework-MobSF has the larger community by that measure.
Are Mobile-Security-Framework-MobSF and Yaak free?
Both are open source. Mobile-Security-Framework-MobSF is licensed under GPL-3.0 and Yaak under MIT. Neither carries a licence fee.
What is the difference between Mobile-Security-Framework-MobSF and Yaak?
Mobile-Security-Framework-MobSF is written in JavaScript and Yaak in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Mobile-Security-Framework-MobSF or Yaak?
Choose Mobile-Security-Framework-MobSF if you want the larger community (21,789 stars) or its GPL-3.0 licence terms. Choose Yaak if its feature set, stack or MIT licence fits better. Both are self-hostable.