Everything on your mind, one calm home
Lubb keeps your notes, tasks, AI, and personal tracking together. Capture a thought, find it by meaning, and let a page-aware assistant help on every screen.
- Markdown-first
- Works offline
- Your data, exportable
- English and Arabic
Features
On every page
An AI advisor on every screen
Lubb's assistant sits in the corner of every page. It sees the screen you are on, knows your profile, and can do the work for you. Log a set, read a meal photo, draft a post, or tidy a note, all without leaving what you are doing.
- Page aware: it reads the screen you are on
- Personalized to your profile and your notes
- Acts for you, it does the task, not just chat
- One tap to apply, and you stay in control
Your second brain
Your notes, in one calm vault
Keep your notes, tasks, and ideas in a Markdown vault that is yours. Organize in folders, link related notes, and capture a thought by voice, all working offline.
- Markdown vault with folders and tabs
- Link notes with backlinks and a table of contents
- Capture a thought by voice, straight into a note
- Works offline, syncs when you are back
Body and health
Train and eat well, tracked
Build workout routines, log every set as you lift, and plan your week. Log meals with calories and macros, or snap a photo and let Lubb estimate the nutrition for you.
- Gym: routines, live set logging, and a planner
- Food: calories and macros, with a USDA database
- Snap a meal photo to estimate its nutrition
- Recipes and a shopping list, kept together
AI assistant
A full chat assistant, your way
Chat with cloud or local models, keep your history, and switch personas. Attach files, turn on web search, and bring your own API keys so you only pay for what you use.
- Cloud and local models with streaming replies
- Saved sessions you can rename and revisit
- Attach files, web search, and personas
- Bring your own provider keys
Yours, your way
Make Lubb yours
Switch light or dark, English or Arabic with full right-to-left, and pick the accent color for each part of the app. Your Lubb looks the way you want.
- Light and dark, your call
- English and Arabic, fully right-to-left
- A custom accent color per section
- Show only the pages you use
Personal to you
It knows you, naturally
Fill a simple health profile once, and Lubb tunes your calories, your training, and the assistant's advice to you, not a generic script.
- A health profile for your body and goals
- Calories and macros tuned to you
- The assistant advises with your context
- Your data stays yours
Core of Your Mind
Made with care
Built by one person, honest about the rest
Lubb is made by Osraj. It does what it says and nothing it doesn't. Your notes stay plain text, your data is yours to export, and the assistant only speaks to what the app can really do.
No lock-in. Your notes are Markdown.
Your data, yours to export anytime.
Honest about what it can and can't do.
Yours, your way
- Light and dark, your colors, your motion
- Full English and Arabic, right to left
- Show only the pages you use
- Plain-text notes, export anytime
FAQ
Questions, answered
Your notes live in your own vault and your personal data is encrypted. You can bring your own AI keys so your prompts go straight to your provider. Lubb does not sell your data.
Yes. Your vault works offline and syncs when you are back online, so you can write anywhere.
Yes. Lubb is fully bilingual, English and Arabic, with right to left support across every screen.
Yes. Add your own provider API keys in settings and pick the model or persona you want. You can also use local models.
Yes. Your notes are plain Markdown, so they stay yours to export and read anywhere. No lock in.
Lubb runs in any browser and installs to your home screen like an app. Native iOS and Android apps are on the way.
Lubb is free during the closed beta. Later there will be customized plans, so you only pay for the parts you use.
Start building your second brain
Free to get started. Your whole life, finally in one place.