Calculator

about

description

<p><b>Calculator Hide File App</b> is an open-source Android application that combines a functional calculator interface with a secure private file storage feature. It allows users to store and manage personal files such as images, videos, documents, and notes, protected by a passcode.</p><p><b>Key Features:</b></p> <ul> <li><b>Dual Functionality:</b> A fully working calculator alongside a private file storage area accessible via passcode.</li> <li><b>Passcode Protection:</b> Access your private files securely using a user-defined code.</li> <li><b>Secure File Manager:</b> Add, remove, and organize files within a protected local environment.</li> <li><b>Local Storage:</b> All files are stored on-device, ensuring user control and privacy.</li> <li><b>Lightweight & Fast:</b> Designed to run smoothly across a wide range of Android devices.</li> <li><b>No Root Required:</b> Works on standard Android devices without requiring root access.</li> <li><b>File Encryption:</b> Protect stored data using encryption mechanisms.</li> </ul><p><b>How It Works:</b></p> <ol> <li><b>Calculator Mode:</b> Use the app as a standard calculator for everyday calculations.</li> <li><b>Access Private Storage:</b> Enter your passcode to open the secure file storage area.</li> <li><b>Manage Files:</b> Import, organize, and remove files within the app. Data remains protected locally on your device.</li> </ol><p><b>Requirements:</b></p> <ul> <li>Android 6.0 or higher</li> <li>Storage permissions enabled</li> <li>“Manage All Files” permission may be required on Android 11+ for full file access functionality</li> </ul><p><b>Technologies Used:</b> Kotlin, XML, Android SDK, MediaStore API, and secure local storage techniques</p><p><b>Open Source:</b> This project is fully open-source, allowing users to inspect the code and verify how data is handled.</p><p><b>Privacy Focus:</b> The app operates entirely offline and does not collect or share user data.</p>

publisher

78ce6faa72264387284e647ba6938995735ec8c7d5c5a65737e55130f026307d

first seen

2026-10-08T19:25:25.792387+00:00

last event

2026-09-12 16:51 UTC

install

zapstore.dev or any Zapstore-compatible client

source & build

repository

https://github.com/binondi/calculator-hide-files

arch flags

android-arm64-v8a

manifest

missing

releases (kind 30063)

1 release indexed; latest 2.0.3.

assets & verification

Every app, release and asset event is schnorr-verified (NIP-01 id + signature) before it enters the catalog, and assets are content-addressed by sha256. We subscribe read-only to the catalog relay — never write to it.

2.0.3 — app-release.apk

sha256

e78d6f3ff7ea5db391b1e9eb7caddb87abc683f14f608bdf3569315c8e30683c

size

7.5 MB

archs

android-arm64-v8a

version code

14

apk cert sha256

1b6a72f8e4c73a7efde023fe9d9f7740cc00534375713d66232d7e4352999b7f

download

app-release.apk

Showing the newest 1 asset descriptor; the full set is in /api/apps/78ce6faa…