# Private Calculator - File Hider, Secret Photo Video Browser, Image Downloader and Note vault

> Calculator-themed app to hide and manage private photos, videos, files, notes, and contacts. (iPhone/iPad app by 振焯 陈.)

- Source: https://appshunter.io/ios/app/private-calculator-file-hider-secret-photo-video-browser-image-downloader-and-note-vault/id646308208 (this page in markdown: same URL + `.md`)
- Developer: [振焯 陈](https://appshunter.io/developer/529028930)
- Category: Utilities, Productivity
- Price: $1.99
- Rating: 4.20/5 from 697 App Store ratings · 379 written reviews indexed
- Age rating: 17+
- Requires: iOS 7.0 · 27 MB
- Languages: American English, French (France), Japanese, Korean, Russian, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2013-05-16
- Data updated: 2026-08-28
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/private-calculator-file-hider-secret-photo-video-browser-image-downloader-and-note-vault/id646308208/reviews.md

## What is Private Calculator?

Private Calculator can hide your photos/videos/documents/notes/contacts behind a calculator. What everyone can see is just an ordinary calculator. You can access your private world by entering your password on the calculator.

FEATURES:

Private Albums:

- Import Photo/Video from Camera Roll
- Multiple size of thumbnail
- Creating custom albums
- Photo slideshow
- Full screen, full functional photo viewer.

File Manager:
- Wifi File transfer to/from PC/Mac
- Support almost all video formats: avi, mkv, wmv, flv, mp4, m4v …etc
- Support Image files: jpg, png, gif, bmp
- Support Document files: txt, html, pdf, doc …etc
- Support creating custom folder
- Unzip file
- Share Files with other APPs

Private Browser:
- Simple, elegant UI and full feature private browser
- Bookmark & History manager
- Switch to Desktop/iPhone/iPad browser easily
- Download all images on the page by one button
- Multiple tab
- Full screen browse

Private Notes:
- Unlimited to create notes
- Rich Editor
- Custom font
- Copy/Share/Send Mail

Private Contact:
- Unlimited to add contacts
- Import contacts from iPhone
- Add memo for contact
- Quick dialing / send SMS / send Email

Password recorder:
- Unlimited to save passwords
- Encrypt password data

Secret Camera:
-  Take photos secretly by pressing “+” button in calculator

More Features:
- Simple & Fast calculator
- Automatically back to calculator when the app in background
- Shake to unlock - Shake your device after entering the password to access your folder, avoid someone entering your password unintentionally.
- Touch ID - use Touch ID to unlock.
- Decoy Mode - use decoy passcode to enter an empty fake space.
- Quick Lock - back to calculator quickly by covering iPhone
- The APP name is ‘My Calculator’ on springboard

## Key features

- Hide photos and videos
- Secure document vault
- Private notes editor
- Secret contacts manager
- Private web browser
- File transfer via Wi-Fi
- Secret camera function

## What do users think of Private Calculator?

Overall sentiment: neutral

**Pros**

- 🚀 Easy to use
- 🔒 Secure storage
- 👍 Useful features
- 🔒 Hides private data
- 👍 Convenient calculator

**Cons**

- 🐛 Crashes and bugs
- 🐛 Compatibility issues with newer iOS versions
- 🐛 Unable to upload/access files
- 🐛 Unreliable performance
- 🐛 Lack of updates

**Commonly reported bugs**

- App crashes on launch
- Unable to add photos/videos
- Folders/files disappearing
- Compatibility issues with iOS 14+
- Unreliable WiFi transfer

**Most requested features**

- Ability to sort/organize files
- Option to backup/restore data
- Improved browser functionality
- Support for videos and GIFs
- Password recovery mechanism

## Recent user reviews (10 of 379)

All indexed reviews: https://appshunter.io/ios/app/private-calculator-file-hider-secret-photo-video-browser-image-downloader-and-note-vault/id646308208/reviews.md

### 5/5 — 使いやすい

*2026-06-26*

秘密の画像や動画をしまって置くのにいいアプリです。
部類も簡単にできるので重宝してます

### 4/5 — Discrétion

*2026-05-17*

Bonne application discrète 
Dommage qu’il n’yapas de possibilité synchronisation entre les différents équipements : 
iPhone , iPad…

### 1/5 — Problem

*2026-05-09, version 4.0*

Last. Time i cant. Open. My secret. Photos

### 1/5 — Doesn’t Work.

*2026-03-01, version 4.0*

After purchasing, the app doesn’t save videos/photos as it claims to be.

### 5/5 — Easy to use

*2026-02-17, version 4.0*

Easy to use and keeps things private

### 1/5 — What Happened!?!

*2026-01-04, version 4.0*

it's totally not working and it's not responding to my passwords. It seems to have forgotten or deleted my information after not using it for about 8 years 😭

### 5/5 — Как восстановить мои фото?

*2025-12-14*

Приложение оказалось удаленным после смены телефона. При установке не распознало что-ли айди. Вообщем все обнулилось. Как восстановить?

### 5/5 — Brillant

*2025-12-02, version 4.0*

Well worth it I love it as you can hide your passwords on it

### 1/5 — С iPhone плохое приложение

*2025-09-29*

Все форматы видео и фото типа HEIC не отображаются в папке. Видео вообще не загружаются! Приложение не работает должным образом. Пустая трата денег. Не рекомендую!

### 3/5 — Сломалось

*2025-09-12*

Приложение сломалось. При входе выкидывает на главный экран.

## Frequently asked questions about Private Calculator

### What does the Private Calculator app do?

This app allows you to hide your photos, videos, documents, notes, and contacts behind a seemingly ordinary calculator. You can import media from your camera roll, manage files via Wi-Fi, browse the web privately, and take secret photos.

### How do I access my hidden files?

To access your private files, you simply enter your designated passcode on the calculator interface. The app also offers features like 'Shake to unlock' and Touch ID for quick and secure access.

### Is this app free to use?

Yes, the application is available for free. It does not contain in-app purchases or advertisements, offering a completely free experience for its users.

### What types of files can I hide?

You can hide a wide range of files, including photos, videos (supporting various formats like avi, mkv, mp4), documents (txt, pdf, doc), and contacts. You can also create private notes and store passwords securely.

### Can I transfer files to my computer?

Yes, the app includes a File Manager that supports Wi-Fi file transfer to and from your PC or Mac. This allows you to easily move your hidden files between your device and computer.

## Version history (last 5 releases)

### 4.0 — 2016-08-05

This update from Apple will improve the functionality of this app. No new features are included.

New Features:
1.Secret Camera: take photos in calculator secretly.
2.Quick Lock: lock the app quickly by covering iPhone.
3.Rich editor for notes, now you can add links/format in notes.
4.Full screen browser

Bugs fixes:
1.Bug fix for decoy mode.
2.Bug fix for text input in browser

### 3.1.1 — 2016-01-18

Bugs fixes

### 3.1 — 2016-01-10

New design for web browser
Support mutiple tab in web browser
New feature: Password recorder
New design for App navigation
Support to export videos from album
Support to export photo from album to files
Album performance improving
Bug fix for iPad landscape

### 3.0 — 2015-12-21

New feature: Album 
Bugs fixed

### 2.6.1 — 2015-12-15

Bug fix

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## More apps by 振焯 陈

- [Private Note: hide secret text](https://appshunter.io/ios/app/private-note-hide-secret-text/id665713580)
- [YiBook - epub txt reader](https://appshunter.io/ios/app/yibook-epub-txt-reader/id672064876)
- [XReminder - simple & quick reminder to set alarm for important things](https://appshunter.io/ios/app/xreminder-simple-and-quick-reminder-to-set-alarm-for-important-things/id705806106)
- [File Locker - Secure File Manager to Hide Your Private Photo and Video](https://appshunter.io/ios/app/file-locker-secure-file-manager-to-hide-your-private-photo-and-video/id714636602)
- [PhotoLocker-Secure Photo Vault](https://appshunter.io/ios/app/photolocker-secure-photo-vault/id768020578)

All apps by 振焯 陈: https://appshunter.io/developer/529028930

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*