Mottainai
The smart inventory for your home. Organize food, household goods, medicines, and more—shared with the people you live with.
Currently in closed alpha — access is available for pre-registered email addresses.
Smart Home Inventory
Track groceries, household goods, and medicines with AI-powered item recognition. Shared shopping lists sync in real-time so nothing runs out.
Task & Project Boards
Kanban boards for chores, projects, or anything that needs organizing. Drag and drop cards, assign due dates, and collaborate with your household.
Shared Calendar
Schedule events across multiple calendars. Aggregation view pulls in expiry dates, board deadlines, and expense dates in one place.
Split Expenses
Track shared costs for trips, rent, or groceries. Split equally, by percentage, or custom amounts — settle up with a clear balance overview.
Recipe Collections
Import recipes from any URL or create your own. Step-by-step cook mode, ingredient scaling, and one-tap shopping list integration.
Collaborative Notebooks
A shared wiki for your household. Rich text editing, wiki-links between pages, real-time collaboration, and version history.
Questions? Answered.
A home inventory app that helps you track groceries, household goods, medicines, and more — shared in real-time with everyone you live with. Add items via AI, text, or photo. Always know what you have and what you need.
"Mottainai" (もったいない) is a Japanese word expressing regret over waste. It's a philosophy of using things mindfully — exactly what this app encourages.
Yes! Mottainai is a Progressive Web App (PWA). Open it in your phone's browser and tap "Add to Home Screen" — no app store required. You'll get push notifications and a native app feel.
Absolutely. Connect with other Mottainai users as contacts, then share any storage with them. Everyone sees updates in real-time. You can also create shared shopping lists and Kanban boards together.
Point your camera at groceries or paste a receipt — the AI identifies and adds all items for you. You can also ask questions like "what's expiring soon?" or have an AI assistant like Claude manage your storages hands-free via MCP.
Absolutely. The mo CLI gives you direct API access. Pipe output to jq, automate with cron, or wire it into an AI agent via MCP. Install with a one-liner: mottainai.app/cli
Want to go deeper? Read the full documentation →
Optimized for your smartphone