English | Español

Now available on iOS 17+

Meet Lumina — your private AI notebook

Record voice notes, capture text from images, and discover connections across your ideas. Everything stays private on your iPhone or iPad—no cloud required.

  • Voice notes with automatic transcription
  • Smart search with AI-powered answers
  • 3D knowledge graph of your ideas
AI running privately on your device

Today • Lumina

"What did Sarah say about the product launch?"

Lumina found all your notes mentioning Sarah and product launches, then gave you an AI-generated answer with links to the original notes. Everything happened privately on your phone.

Voice & Text AI Answers Knowledge Graph

Why Lumina

Capture, connect, and recall anything—privately

Voice notes, image text capture, AI search, and a 3D knowledge graph—all powered by AI that runs entirely on your device.

Voice notes

Tap and speak—Lumina transcribes your voice into text automatically. Perfect for capturing ideas on the go without typing.

Camera text capture

Point your camera at any text and capture it instantly. Great for saving recipes, quotes, whiteboards, or documents.

AI-powered answers

Ask questions like "What did I learn about design?" and get AI-generated answers pulled from your notes—with citations to the source.

3D knowledge graph

See how people, projects, and ideas connect in an interactive 3D visualization. Discover unexpected relationships in your notes.

Smart entity linking

Lumina automatically recognizes people, places, and organizations across your notes, creating backlinks so you can explore related ideas.

Complete privacy

Everything runs on your device—transcription, search, and AI. Your notes never touch the cloud. Works perfectly offline.

Support

We’re here to help with anything Lumina

Self-serve guides answer the basics, and you can reach us directly for anything else.

Quick answers

  • Compatible devices: iPhone & iPad with iOS 17 or newer
  • Languages: English and Spanish interface, with multi-language voice transcription and text capture
  • Main features: Voice notes, camera text capture, AI search answers, 3D knowledge graph, automatic entity linking
  • Your data: All processing happens on-device. Optional encrypted iCloud backup available
  • AI models: Choose between faster or higher-quality models. Download once, works offline forever

Get in touch

Email rodrigouroz@gmail.com for help with billing, reporting issues, or suggesting new features.

We typically respond within 24 hours on weekdays.

Always available

Since Lumina works completely offline, there are no servers that can go down. Follow @rodrigouroz on X for updates and new releases.

FAQ

Common questions

Is my data private?

Yes! All AI processing happens on your device. Voice transcription, search, entity recognition, and AI answers never leave your phone. Optional iCloud backup is encrypted by Apple.

What can I capture with Lumina?

You can record voice notes with automatic transcription, type text notes, or point your camera at text to capture it instantly. All methods support rich formatting and automatic entity linking.

How does the knowledge graph work?

Lumina automatically identifies people, places, and organizations in your notes. The 3D graph shows how these entities connect based on which notes mention them together—helping you discover unexpected patterns.

Can I export my notes?

Yes! Go to Settings → Backup & Data. You can create manual backups with all your notes and connections, or enable automatic iCloud backups. Restore on any device anytime.

Does it work offline?

Completely! Voice transcription, camera text capture, search, AI answers, and the knowledge graph all work without internet. Perfect for flights, travel, or staying focused.

How can I share feedback?

Email us at rodrigouroz@gmail.com or use the in-app feedback tool under Settings → Support.

Ready to try Lumina?

Download the app and start capturing your ideas with complete privacy.

Download on the App Store