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Directory/Educational Game/LetterBoxSOURCE-BACKED RECORD
LetterBox app icon
maintained

LetterBox

ch.cryptobit.letterbox

LetterBox is a simple kids game for learning letters

Latest documented release1.6.012 Oct 2026 · 5.7 MB→

01 / Overview

Is LetterBox safe?

LetterBox is a game about animals and letters. It shows an animal and your task is to find the appropriate letter.

Earliest archived version
09 Sept 2026
License
GPL-3.0-only (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

1.6.0

New menu in the top-right corner with language selection, flags, and the About dialog. - The chosen language is remembered and also shows up in the system's per-app language settings. - The menu button can be hidden for the current session; a long press brings it back. - Keyboard support for…

Full notes →
1.5.0

Added multi-language animal content (English, German, French, Spanish, and more). - Each letter now has multiple animal pictures to keep rounds fresh and varied. - Animals are now spoken aloud when shown, helping children connect sounds to letters. - Duplicate animals no longer appear in…

Full notes →
0.3.0

Fixed letters being cut off on the answer buttons; the letter size now adapts to the button so every letter A–Z fits. - Animal pictures are now trimmed and centred automatically, fixing off-centre images (e.g. - Regenerated all animal images at higher quality.

Full notes →

03 / Package identity

Technical fingerprint

Application IDch.cryptobit.letterbox
Latest APK SHA-256abed720873684c42457651a6ace15ba656364043d0d88e78b3e3c0c7d943a216
Signing certificateDA:27:0C:F5:73:A3:96:C9:46:2C:BC:46:C4:AD:9E:A8:FD:74:33:35:B1:35:5C:08:B8:D3:27:AA:28:1B:24:6C
MIN ANDROID23TARGET34ARCHITECTURE

04 / History

Archive history

4 versions in WIKI archive: earliest 0.3.0 (09 Sept 2026), latest 1.6.0 (12 Oct 2026).

No change in android.permission.* between 1.5.0 and 1.6.0.

05 / Version archive

Documented releases

4 TOTAL

06 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source
IntegritySHA-256 verified vs source
SourceOpen-source · fdroid
Permissions1 declared · 0 sensitive
Signaturepresent
Anti-featuresNo known anti-features
Sensitive accessNo sensitive permissions

Declared permissions

Tracker status: Not assessed by WIKI for Android.

07 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.