Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
We created a Sound and Light Scape system which is unpredictable (no looping sounds), highly customisable and versatile in it's setup
$3.99 · In-app purchases
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Hue Haunted House: map the core Entertainment workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Assumption to check: Limited content variety in haunted house experiences.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchase process can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: AR elements may not work well on older devices.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User engagement decreases after initial use.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
We created a Sound and Light Scape system which is unpredictable (no looping sounds), highly customisable and versatile in it's setup. Hue Haunted House contains high quality audio effects with beautifully synced lighting to create the perfect eerie mood. Hue Haunted House offers the following scary themes to choose from: - Creepy Cave Dripping stones, scary bats and ferocious monsters haunt you while you wander through the corridors of this dark cave. Did you take the right turn 10 minutes ago? Sure you are not lost?... - Grisly Graveyard This is definitely a place where you do not want to be. Zombies stray over this graveyard while rain and wind make you shiver. Or is it the fear in your body? A distant church reminds you you are not far from safety. But why can it's bell be heard so often and irregular? Isn't that odd? - Demon Dollhouse Dolls are sweet aren't they? So you would say... This dollhouse is full of evil. So evil, It makes the small dolls cry. Or are they possessed as well? Something is very wrong, that's for sure. - Eerie Forest This is a spine-chilling forest. Birds give the impression of some peace. But don't be fooled. Weird creatures also roam this place. Is that the wind in the trees you hear? Sounds of raven are never a good sign... - Frightening Pursuit You're running but it seems you don't progress. What is it you flee from? Not knowing is the worst. But one thing is for sure. You don't want it to catch up with you, then you'll suffer the same faith as that poor little fluffy creature which wasn't fast enough. - Distressing Dungeon Locked up, nobody knows why. Damp and dark you scream for help but the only reaction you get is your own echo. Doors open and close, chains rattle around you. Nobody there to help you out. Will it end here? - Abandoned Fairground This must be the weirdest place on earth. Fairgrounds look so gruesome when abandoned. Once a place of joy and laugh, now a spooky ground where some machines still try to entertain you as you pass by. Sounds of the past appear out of nothing. As if ghosts and spirits are still on a roller coaster ride. Is that a clown I hear? - Haunted House Whispers around you make your heart beat faster, while you walk through this old house with it's creaky floors and doors. Thunder bursts concentrated above the house making cats and other animals scream. After every door you think you found the exit, but every door leads to another room with new surprises. Most of them not so pleasant. Wish you haven't been so curious and never entered this Haunted House? - Hell Fire When you open your eyes from whats seems like a nap, flames warm your body from below. Standing on top of a big rock you look at the bubbling Lava. Where to go? Fireballs shoot all over the place. You see some phantoms who fail to dodge them. Distant screams make the place even more horrific. You can just hope this is a very bad dream. - Gloomy Ghosts Have you ever seen a ghost? Some say they do. But in this place you can hear them for sure. Have a look around, maybe you see or feel them. It's said that if you feel a sudden cold, a ghost might just pass you. Or even fly right through you. Look out! On your left! - Sinister Strings When you enter the Opera house, the theater hall is dark and there's nobody on the podium. These instruments seem to play themselves! It's an orchestra without direction. I think there are too many false notes being played here.. - Witch Hunt Screeching laughter so typically for witches. A lot of them are gathered to discuss new spells and recipes. The winner of last year's soup competition is already cooking this years soup. The ingredients are gore and not so typical. Make sure you do not end up in the boiling cauldron in the middle of the square. - Pirate Ship Arr aaaaaargh. This is not the average pirate ship. This one is haunted. We suspect ghost are glooming around the rudder. - Lurid Laboratory Not Dexter, not DeeDee but evil forces brew here.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.