The latest version of LetterBox APK (v1.8.0) is available to download. Learn letters with animal pictures: a simple, offline game for young children This app works on Android phones and tablets.
About LetterBox APK
LetterBox is a game for young children who are learning their letters. It shows a picture, usually an animal, and three letters. Tap the letter the word starts with. Tap the picture to hear its name; after a correct answer, the name is spoken aloud as well. After a wrong answer, the same picture comes back so your child can try again. There are no scores, timers, or penalties. Features Nine languages: English, German, French, Spanish, Italian, Polish, Brazilian Portuguese, Japanese (hiragana), and Korean (hangul). The language can be changed in the menu, independently of the system language. About 70 pictures, with several pictures for many letters, so rounds stay varied. Practise a selection of letters: all of them, the ten most common, or just one. Optional progress tracking: letters your child knows well come up less often. Progress fades gently after a few weeks without practice, so forgotten letters return. Works with a physical keyboard: press 1, 2, or…
LetterBox APK was developed by Tobias Mueller and is available under the GPL-3.0-only open-source license. This means the source code is public and anyone can inspect it. If you like Educational Game apps, you can also browse more apps in this category.
LetterBox APK Information
| App Name | LetterBox |
| Package | ch.cryptobit.letterbox |
| Version | 1.8.0 |
| Size | 6 MB |
| Requires | Android 6.0 and up |
| Category | Educational Game |
| Developer | Tobias Mueller |
| License | GPL-3.0-only |
| Source | F-Droid |
| Last Updated | October 29, 2026 |
How to Install LetterBox APK on Android
- Download the LetterBox APK file using the button above.
- Open your phone Settings and allow “Install unknown apps” for your browser or file manager.
- Tap the downloaded APK file and press Install.
- After installation, open LetterBox from your app drawer.
Why Download LetterBox APK from Here?
We link LetterBox APK directly from F-Droid, so the file is original and we make no changes to it. Whenever a new version is released, this page is updated automatically, so you always get the latest LetterBox APK.
Frequently Asked Questions
Is LetterBox APK free?
Yes, LetterBox APK is free and available under the GPL-3.0-only open-source license.
Is LetterBox APK safe?
This file comes from the official F-Droid repository, where apps are open source and their source code is public. Still, always check an app’s permissions before installing it.
Which Android version does LetterBox APK need?
LetterBox APK requires Android 6.0 and up to run.
What is the latest version of LetterBox APK?
The latest version is 1.8.0, updated on October 29, 2026.
Official page: LetterBox official website / source
