Best Notes Free Encrypted Apps

Notesnook: Private note taking

Encrypted notes, private diary

Free

This open-source app offers secure, encrypted note-taking and organization across all your devices. It features a robust editor, to-do lists, and a private journal with advanced security to protect your personal information.

TextCrypt - Encrypted Storage

Encrypt Notes Files, Passwords

Free

Securely encrypt notes, files, and passwords with military-grade encryption. Protect your digital life with a robust password manager and optional cloud sync. Keep your sensitive information private and accessible only to you.

Secure Notes - Secret & Lock

Private Diary & Password Vault

Free

Safeguard your private thoughts, voice memos, and sensitive information with robust, multi-layered security. This app offers military-grade encryption, biometric locks, and secure voice recording to keep your data protected. Enjoy a distraction-free, ad-free experience with a powerful rich text editor and seamless iCloud syncing across devices.

Locked Notes°

by Adam Cziko

Free

Securely store your private thoughts and ideas with this app. It offers robust organization and advanced editing tools, all protected by biometric authentication for ultimate privacy. Your notes are automatically hidden and locked when the app is in the background.

Secure Notes - Simple Protected Notes

by Ruby Boyarski

Free

Securely store passwords, notes, and PIN codes with hardware-accelerated encryption. Sync your data across devices using iCloud for free. Customize your notes with icons and colors in a beautiful, simple interface.

Private iNotes

by 传胜 贾

Free

Securely store and organize your notes with password protection and iCloud syncing. Easily share memos via email or messaging, and manage entries with intuitive swipe gestures. Categorize your notes for better organization and never forget important events with starred entries.

CalcPlus - Hidden Notes

Calculator + Encrypted Notes

Free

This app combines a fully functional calculator with a secure, encrypted notes system. Store sensitive information like crypto wallet phrases and passwords locally and offline, protected by a PIN and optional biometric authentication. It offers a discreet interface and prioritizes user privacy with no cloud sync or ads.

Paranoia Text Encryption Lite

(encrypt notes, messages, …)

Free

Securely encrypt and decrypt sensitive text data, including notes, messages, and cryptocurrency keys. Offers robust security with multiple strong encryption algorithms and advanced steganography features to hide data within images. Also supports secure password exchange using post-quantum cryptography.

Notebox - Encrypted

D2D zero-knowledge encryption

Free

This app offers a secure, block-based editor with Markdown support for local note-taking. For cross-device synchronization and real-time updates, a subscription unlocks cloud features with zero-knowledge encryption.

NoteCrypt Encrypted Notes

Offline Only. Zero-Knowledge.

$2.99

$4.99 | 40% OFF

Secure your sensitive information with robust 256-bit AES encryption. This app prioritizes privacy with zero-knowledge, offline-only storage and no cloud integration or analytics. It offers a simple, secure way to keep your notes protected from unauthorized access.

WhatsApp Messenger

Simple. Reliable. Private.

Free

Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.

Bmail — Encrypted Email

E2E encrypted mail, all yours

Free

Secure your communications with end-to-end encrypted email, calendar, contacts, and drive. Your data is protected by your keys, not company policy, ensuring privacy and security against unauthorized access. Offers custom domain support and robust authentication methods.

LockNote - Encrypted Notepad

Your life chores record book

Free

Securely store notes, financial records, to-do lists, and card information with this encrypted application. It offers rich media support, offline access, and automatic synchronization across devices. Personalize your experience with custom skins and fonts.