Calculator Lock APK 3.5.17.4
- Version
- 3.5.17.4
- Size
- 34.1 MB
- Updated
- Oct 17, 2026
- Category
- Tools
- Requires
- Android 4.4+
- Google Play
- com.flatfish.cal.privacy
Conceal Your Photos and Videos Behind a Clever Calculator Disguise
Conceal Your Photos and Videos Behind a Clever Calculator Disguise
Calculator Lock APK provides an outstanding way to protect your personal media from intrusive glances. Most of us capture moments on our smartphones daily, which means our storage holds sensitive content that we would never want unauthorized eyes to discover.
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Because our phones remain accessible throughout the day in front of coworkers and acquaintances, protecting confidential media has become a necessity. Calculator Lock APK has achieved over 1M+ downloads on Google Play Store, proudly holding a solid 4.5-star rating across more than 123K reviews.
Benefits of Using Calculator Lock APK
Everyone has confidential files they prefer to keep strictly private. With Calculator Lock APK, securing your private photos, videos, and documents takes just a tap. Operating behind a fully authentic calculator facade, it functions as a complete file manager equipped with intuitive privacy options.
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Top Features of Calculator Lock APK
Calculator Lock comes packed with versatile security capabilities. Below are the standout features provided by this privacy tool.
Hide Any File Format
Calculator Lock can securely conceal virtually any file extension without restrictions.
- Documents – Protect PDF, TXT, DOC/DOCX files, Excel spreadsheets, and various other document types.
- Photos – Shield image formats including JPG, JPEG, and PNG.
- Videos – Keep media files such as .MP4, MPEG, .MOV, and .BIN securely hidden.
- Music – Safely lock down MP3 audio tracks and voice recordings.
Multiple Languages
While much of the digital world relies on English, only a portion of the global population speaks it fluently. To ensure everyone feels at home, the Calculator Lock app features support for 25 different languages, providing a smooth and accessible experience for international users worldwide.
Disguise Icon
Beyond securing your private media, Calculator Lock APK offers several stealth disguise icons—such as a classic or scientific calculator. This clever camouflage ensures that your hidden photos and videos stay protected behind an extra layer of confidentiality.
Secret Question to Unlock
Calculator Lock MOD APK includes an emergency security question feature to assist you whenever you forget your password. This option is especially useful if you haven't opened your vault in days, allowing you to quickly unlock the app using a secret phrase that only you know.
Recycle Bin
The built-in Recycle Bin guarantees that deleted media is never lost by mistake. Any removed photos and videos are kept safely inside the bin for up to 30 days, giving you ample time to restore your important files whenever needed.
Easy-to-Understand UI
An intuitive layout is essential for any daily utility, and Calculator Lock delivers an exceptionally friendly user interface. Navigating the app is so straightforward and effortless that even a 5-year-old child could figure it out in seconds.
Built-in Video Player and Photo Viewer
Calculator Lock comes equipped with an integrated photo viewer and media player, allowing you to browse private snapshots and watch clips right inside the vault without exposing them to external gallery apps.
Free to Use
Unlike many privacy apps that charge hefty subscription fees to hide your personal media, Calculator Lock APK provides a comprehensive free edition loaded with nearly all essential features. For those who want extra functionality, advanced premium options are also available.
- Intruder Selfie
- Simulated Lock Mechanism
- Customizable Icon Options
- Fingerprint Authentication Compatibility
Final Thoughts
This was our interpretation of the calculator lock APK for Android. Share your thoughts in the comments below, and don't hesitate to ask questions. For more incredible apps, visit GameModApk.
Screenshots:






How to install
- Download the APK file above to your phone.
- Allow “Install unknown apps” when prompted.
- Open the downloaded APK and tap Install.
- If the package includes OBB/XAPK data, follow the bundled instructions.
MOD APKs are modified builds, so Play Protect may show a warning. Install only if you trust the file; use at your own risk.





