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CipherNook

CipherNook

Offline Encrypted Notepad

1 ratings
2 reviews
🔧 Utilities
$4.99

Details

  • Released
  • Updated
  • June 9, 2024
  • March 3, 2026

Features

Developer

国喜 宋
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About

This app provides a secure, offline sanctuary for your notes, photos, and voice recordings. It uses end-to-end encryption to ensure your data remains private and accessible only to you, with no internet connection or account registration required.

✓Fully offline use
✓End-to-end encryption
✓Privacy-focused design
✓No account registration
✓Text, photo, and voice recording support
✓Intuitive interface
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What's New in CipherNook

1.4.0

March 3, 2026

Security enhancements: AES IV randomization, backup encryption, BCrypt password hashing, SQL injection protection, brute-force attack prevention, and temporary file cleanup.

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User reviews

Most RecentHighest RatedLowest Rated

Tested – Totally Private!

I tested it myself — none of my data gets uploaded, which gives me real peace of mind. The share feature is super useful too. I can send a note to a friend, and as long as we’ve agreed on a password ahead of time, they can unlock and read it. It’s a really convenient and secure way to share private info right from your phone.
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Response from developer

Thank you so much for your kind words and thoughtful review! We're thrilled to hear that the app gave you peace of mind and that the private sharing feature worked well for you. Your trust means everything to us, and we're committed to keeping your data safe and offline — always. If you ever have feedback or ideas, feel free to reach out anytime!

Bug

I have tried for a long time to paste a long and complex password to my first nook without success. I am unable to get the context menu to be able to paste in the password text field, the keyboard pops up and disappears.
The Anomalous ExceptionThe Anomalous Exception

Response from developer

Hi there, thank you for your feedback and sorry for the inconvenience you experienced. We’ve identified and fixed the issue you mentioned regarding the paste function in the password field. The fix has been released in the new version 1.3.2. We appreciate you taking the time to report this. If you’re still experiencing any issues, feel free to reach out—we’re here to help! Thanks again for helping us improve the app!

FAQ

What is CipherNook?

CipherNook is an offline encrypted notepad designed for secure storage of your notes, photos, and voice recordings. It prioritizes user privacy by keeping all data encrypted and stored locally on your device.

How secure is CipherNook?

CipherNook uses advanced end-to-end encryption technology to protect every entry. The developers emphasize that your data belongs to you alone and is inaccessible to them, ensuring a high level of privacy.

Does CipherNook require an internet connection?

No, CipherNook is a fully offline app. No internet connection is required for its use, and all data is securely stored on your device.

Is CipherNook free to use?

CipherNook is a paid application, priced at $4.99. This one-time purchase grants you access to its secure note-taking features.

What types of data can I store in CipherNook?

CipherNook supports versatile recording methods, allowing you to store text notes, photos, and voice recordings securely.

What happens if I forget my password for CipherNook?

The developers strongly advise setting a complex password and regularly backing up important data. If you forget your password, lost data cannot be recovered.

What devices is CipherNook available on?

CipherNook is available for iPhone, iPad, and iPod devices.

How often is CipherNook updated?

The latest version, 1.4.0, was released on March 3, 2026. While specific update frequency isn't detailed, the app has received updates since its release on June 9, 2024.