PIN Notes v0.0.1 - Initial Release
A privacy-first encrypted notes app for Android with PIN-based vaults.
Features
- PIN-Based Encryption: Each PIN creates a separate encrypted vault using SQLCipher (256-bit AES)
- Rich Text Editing: Full-featured editor with formatting, images, and more
- Privacy First: All data encrypted locally, no cloud sync
- Alphanumeric PINs: Support for 4-20 character PINs (letters and numbers)
- Rate Limiting: Protection against brute force attacks (10 attempts/24hr)
- Secure Filenames: SHA-256 hashed vault filenames prevent PIN exposure
Security Highlights
- SQLCipher database encryption with PBKDF2 key derivation
- SHA-256 hashing for vault filenames
- No plaintext PIN storage
- Local-only data storage
Installation
Download the APK and install on Android 8.0 (API 26) or higher.
What's New
- Initial release with core features
- PIN-based vault system
- Rich text editor with image support
- Security improvements: hashed filenames, rate limiting
Note: This is an early release. Please backup important notes.