This app offers interactive exercises and games to help children and teenagers practice and improve the pronunciation of the /s/ sound. Developed with speech-language pathologists, it follows proven therapeutic methods for effective home practice.






81+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our lisp list covers 81+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (1) | No | Yes | Oct 2026 | ||
| 2 | Free | 4.9★ (37) | No | No | Oct 2026 | ||
| 3 | Free | 5.0★ (2) | No | Yes | Oct 2026 | ||
| 4 | Free | 5.0★ (2) | No | No | Oct 2026 | ||
| 5 | Free | — | No | No | May 2026 | ||
| 6 | Free | 5.0★ (12) | No | Yes | Oct 2026 | ||
| 7 | $3.99 | 4.1★ (17) | No | No | Oct 2026 | ||
| 8 | Free | — | No | No | Aug 2026 |






This app offers interactive exercises and games to help children and teenagers practice and improve the pronunciation of the /s/ sound. Developed with speech-language pathologists, it follows proven therapeutic methods for effective home practice.






This app is a lightweight development environment for writing and running Scheme code on iOS. It features a Scheme interpreter, a console for interaction, and a text editor with syntax highlighting and smart indentation. It supports R7RS standard Scheme with a wide range of libraries, including iOS-specific ones.






Master the Scheme programming language with structured lessons, a built-in interpreter, and interactive exercises. Track your progress and explore functional programming concepts, including a new module for the beginner-friendly Logo language.