Engineered for Private Notes, Encrypted Vaults & AI Prompts
A closer look at how ODude Note combines cryptographic isolation, personal health metrics, AI prompt engineering, and offline SQLite speed into a single lightweight app.
Hidden Encrypted Vaults
Separate your daily shopping lists from your confidential trade secrets, personal journals, and credentials. ODude Note allows you to create named locks with custom passwords.
- XChaCha20-Poly1305 authenticated stream cipher
- Passphrase-derived 256-bit key via native SHA-256
- 32-byte cryptographic salts prevent rainbow table attacks
Vitals & Reproductive Health Tracker
Log critical health vitals without relying on predatory ad networks. Record blood pressure, pulse, glucose levels, temperature, body weight, and menstrual cycles.
- AHA Blood Pressure classifications (Normal to Crisis)
- Fasting & Post-Meal Glucose tracking
- Period and fertility window prediction (Stored 100% locally)
- One-click export to Doctor reports
Advance Note Editor & Local SQLite Speed
Format notes with interactive checkboxes, bold accents, heading styles, categories, and tags. When ready, backup everything via encrypted JSON or scheduled Google Drive synchronization.
- Interactive checklists for tasks and daily reminders
- Encrypted JSON file export for offline safekeeping
- Personal Google Drive backup on schedule with zero server intermediary
AI Prompt Manager & Dynamic Wizard
Supercharge your AI workflow. Never retype complex system prompts again. Save, categorize, and execute prompts with dynamic placeholders right beside your private notes for ChatGPT, Claude, Gemini, or local AI workflows.
- Dynamic
{{placeholder}}detection creates instant custom input forms - Fill variables in seconds and copy compiled prompts with 1 tap
- Organize prompts by category, task, or AI model for rapid reuse
- 100% offline & local — your proprietary prompts and variables never leak
Why ODude Note Stands Apart
A transparent comparison between ODude Note and traditional cloud note providers.
| Capability | ODude Note | Apple Notes | Notion |
|---|---|---|---|
| Offline-First SQLite Storage | ✓ Included | ✕ No | ✕ No |
| XChaCha20-Poly1305 Military Encryption | ✓ Included | ✕ No | ✕ No |
| Named Vaults with Custom Passphrases | ✓ Included | Partial | ✕ No |
| Zero Tracking / No Account Required | ✓ Included | ✕ No | ✕ No |
| Vitals Tracker (BP, Glucose, Temp, Weight) | ✓ Included | ✕ No | ✕ No |
| Private Menstrual & Period Logger | ✓ Included | ✕ No | ✕ No |
| AI Prompt Templates with {{Placeholders}} | ✓ Included | ✕ No | ✕ No |
| Encrypted Backup to Personal Google Drive | ✓ Included | ✕ No | ✕ No |