250+ iOS apps & games curated and reviewed
Decibel is the household name in silent library challenge, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (4.7K) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.5★ (3.5K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.5★ (577) | Yes | No | Aug 2026 |
| 4 |  | Free | 4.9★ (4.4M) | No | No | Aug 2026 |
| 5 |  | Free | 4.8★ (253K) | No | No | Aug 2026 |
| 6 |  | Free | 4.8★ (1.4M) | No | No | Aug 2026 |
| 7 |  | Free | 4.6★ (4.8K) | No | No | Aug 2026 |
| 8 |  | Free | — | No | No | Aug 2026 |
Measure and analyze the sound pressure around you with this app. It provides spectrum frequency analysis and allows you to compare your recordings to a reference chart. Save your measurement history for future reference.
Engage in a quiet challenge within a library setting. Avoid making noise to prevent angering the librarian. Compete to become the 'Secretly King' in this unique variety game show experience.
This application functions as a smart sound level meter, utilizing your device's microphone to measure ambient noise in decibels (dBA). It provides real-time readings on a digital screen and displays historical data through a graph. The app also shows reference noise levels and tracks minimum, average, and maximum decibel values.
Access millions of free ebooks and audiobooks from your local library. Borrow titles instantly with your library card, download for offline enjoyment, and enjoy a customizable reading and listening experience.
Manage your library account and discover new content. Borrow physical items, access eBooks and audiobooks, and receive helpful reminders. Personalize your reading experience and stay organized with this intuitive library companion.
Access a vast digital library of books, comics, movies, music, and more, all within a single application. Stream or download content for free with your library card, enjoying an ad-free experience and features like offline listening and dark mode.
Access and enjoy e-books and audiobooks from your local library for free. Discover new titles, borrow them instantly with your library card, and read or listen anywhere. Even without a participating library, enjoy a collection of free books.
Manage your library account on the go. Search the catalog, renew books, and access a wide range of digital content like eAudiobooks, eMagazines, and eBooks. Enjoy free access to popular reading platforms.
This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.
Manage your library account, search the catalog, and discover new titles. Track borrowed items, place holds, and find events. Use your digital library card for in-person checkouts.
Access your library account on the go with this app. Scan book barcodes to check availability, manage loans, and access your digital library card. Discover new books, ebooks, audiobooks, and online learning resources.
