HideU: Calculator Lock is a privacy tool that looks and behaves like an ordinary calculator while secretly protecting your private files. On the surface it performs normal calculations; behind that disguise it provides a secure, encrypted vault for photos, videos, documents and other sensitive items. Entering a special PIN or pattern opens the hidden area without changing the calculator appearance, so storage stays private even if someone uses your device. Key features are simple and user-friendly. Strong local encryption keeps files safe on your device, and multiple unlocking options—numeric PIN, pattern, or biometric unlock—let you choose the level of convenience and security you prefer. A “decoy” mode creates a separate, less sensitive vault to present if someone insists on access, while stealth settings hide the app’s icon or change its name so it blends in with other apps. Break-in alerts record failed attempts and can capture a photo, helping you see if someone tried to access your content. Managing files is straightforward: import and organize media into folders, view and play items inside the vault without exposing them elsewhere, and use batch operations for quick organization. Built-in privacy tools include a private browser for safe web sessions and an internal file viewer that prevents sensitive previews from appearing in public galleries. Automatic lock timers and one-touch lock keep the vault secured when you step away from your device. Designed for people who want practical privacy without technical complexity, HideU keeps sensitive data under your control while presenting a totally ordinary calculator face. It balances stealth, encryption and ease of use so personal files stay private with minimal setup and everyday convenience.

How do I set up the hidden calculator?

To set up the hidden calculator, open the app, then configure your PIN or pattern lock. After that, you can start adding apps or files to hide using the calculator interface.

Can I customize the appearance of the calculator?

Yes, you can customize the appearance of the calculator by going into the settings menu. There, you can choose different themes, colors, and layout options to suit your preference.

How do I access hidden files or apps?

To access hidden files or apps, launch the calculator app, input your PIN, and the hidden content will be displayed. You can manage or unhide files from this interface.

What should I do if I forget my PIN?

If you forget your PIN, follow these steps: 1. Open the calculator app. 2. Tap on the 'Forgot PIN' option. 3. Follow the on-screen instructions, which may involve answering security questions or using recovery options. 4. Reset your PIN to regain access.

Can I back up my hidden data?

Yes, you can back up your hidden data. Go to the settings menu, locate the backup option, and follow the prompts to save your data securely. This ensures you will not lose your hidden content.