01
Write the note
No prompts to engineer, no blank canvas. Type it like you’d text a friend.
🗒 tokyo, april
pack light — camera, two lenses, the good socks. shibuya tuesday, fuji day-trip if clear…
NotesMosAIc · a note is a creative sandbox
Your notes are already where you think. Now they’re where the idea gets to be real.
Write the idea down. Then just ask for it. A team of AI engineers builds it right there in the note — a tracker you’ll actually keep, a game your friends play, a world you can walk into together.
The note we wrote
A lush forest with deep caves, caverns, and underground tunnels everywhere.
and it grew this, inside the note…
Block world
Unedited. One note asked for it. Walk it, mine it, build in it, drop into the caves — day and night roll on by themselves. Most people ask for something far smaller. This is just where the ceiling is.
How it works
Still your notes app. Now with a workshop in it.
Three steps. That’s the whole thing.
02
Say what you want in there
Plain words, typed into the note you are already in. No prompt to engineer.
make this a packing tracker i can check off at the airport
On it — building from your note.
mini appchecklist + progressshareable
03
It lives in the note now
Use it, change it by asking again, send it to anyone. Your writing is still right there beside it, and everything saves.
- ✓Camera body + charger
- ✓35mm lens
- The good socks
Real output, running live
Not screenshots. Click any of them.
Every one of these is running on this page right now, unedited, exactly as it came out: a beach kart circuit, a team-deathmatch arena, a canyon carved by eight words, a workout tracker that builds a suit, a koi pond, a travel ledger four friends keep together. Each still lives in the note that asked for it — and any of them can be shared, joined, or taken with you.
The note
Build a kart racer on a beach circuit with drift boost, three laps, lap times, and rivals I can actually beat.
A kart racer on a beach circuit, living in a note.
One sentence became a real circuit: palm-lined tarmac, three rivals running their own lines, drift that pays you back with boost, and a lap timer chasing your best.
- Drift-to-boost handling, three laps, live lap and best times, and finishing position
- Rivals that race the racing line rather than follow a rail
- Touch controls generated for the phone, keyboard on the desktop, from the same build
The note
A COD style arena shooter — team deathmatch on a tight map with a real weapon loadout, enemy squads that fight back, a killfeed and a scoreboard. Full controls on my phone too.
A team-deathmatch arena, living in a note.
One note became a shooter with real bones: a tight industrial map, squads that push and flank instead of standing still, a loadout in your hands, and a killfeed keeping the score honest.
- Team deathmatch with a live killfeed and a running scoreboard
- Enemy squads that fight back — they push, flank and hold, not target practice
- Painted touch controls on the phone, mouse and keys on a laptop — the same build
The note
A canyon world with a river running through it.
A canyon with a river through it, living in a note.
Eight words became a place: carved canyon walls with real relief, a river threading the floor, and a third-person walk from the rim down to the water.
- Canyon terrain with real relief and a river running the floor
- Third-person movement with touch controls generated for the phone
- Zero downloaded assets — the world is generated, not a bought pack
The note
A workout habit tracker with a futuristic HUD — glowing animations, reactor motifs, and a suit of armor that grows and evolves as my workouts land.
A workout tracker that builds a suit, living in a note.
Not a game — and that is the point. The same pipeline builds the useful things, styled exactly the way the note asked: a glowing HUD, and a suit that earns its plating from your streak.
- Log a workout and the suit grows — progress you can see, not a spreadsheet row
- A full HUD interface with reactor styling, exactly as the note asked for it
- It persists — close it, come back tomorrow, your streak is still standing
The note
A calm koi pond I can just watch — fish drifting under lily pads, petals on the water.
Something calm, living in a note.
Not everything has to be a game or a tracker. Ask for a quiet thing and you get a quiet thing: koi drifting, petals falling, ripples that answer your finger.
- Ambient motion that runs at frame budget on a phone
- Touch the water and it answers — the whole surface is interactive
- Written from one sentence, with no template underneath it
The note
A shared trip planner for four of us going to the Lisbon coast, with a day-by-day itinerary, a map, bookings and who owes what.
A travel ledger four friends keep together, living in a note.
The trip and its money in one living page: a day-by-day itinerary, pins on a map, bookings — and a running who-owes-what that keeps itself straight while everyone adds to it.
- Day-by-day itinerary, map pins, bookings and a running expense split
- Everyone on the trip is in the same live document, not a screenshot of one
- The crew list, the money and the plan all persist — come back and it is still there
Keep going
Pick a rabbit hole. Or just start building.
Everything below used to live on this page all at once. It’s all still here — one door at a time.
Everyday tools
The stuff you keep meaning to make — meal logs, habit trackers, a pocket pet — and the real powers behind them.
See the toolsWorlds & playing together
When you want to go too far: a whole world, and a link that puts a friend inside it beside you.
Step insideSixteen prompts to steal
Copy one, paste it in a note, get a thing. Every one of them shipped from a single sentence.
Steal a promptWhat it costs
Free keeps five apps live. Playing and joining a friend’s world is always free, on every plan.
See the plansFun first. Affordable, plainly.
Playing and joining a friend's world is always free — no account wall on a shared link. Mosa chat is unlimited on every plan. Paid plans exist so your worlds can be persistent and yours.
Free
$0
forever
- 5 live apps at a time — delete one, free a slot
- 15 edits a day
- Unlimited Mosa chat
- 100 MB of notes and builds
- Share links — friends join free
Basic
$4.99
per month
- Unlimited builds and edits
- Unlimited Mosa chat
- 100 MB of notes and builds
- Everything you make stays yours
Pro
$15
per month
- Everything in Basic
- 5 GB of notes and builds
- Room for the big builds
Your next note could hold a whole world.
You’re not filling in templates here — you’re the creator. One line starts a build, your engineers do the rest, and what lands is yours to play, share and publish. Free to start; friends join free.
Questions? We answer fast — notesmosaic@gmail.com