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.
Read, listen, play and move your device, to dive into the story like you've never done before
$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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Generating… usually about a minute.
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 iLovecraft 2 Immersive Reading: map the core Books 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 interactive elements may not fully engage users.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases can confuse users.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Navigation can feel cluttered with too many options.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Not enough personalization options for users.
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.
Read, listen, play and move your device, to dive into the story like you've never done before. Going much further than reading a text with illustrations; the experience has animated and interactive scenes, coupled with sound effects, careful design and an original soundtrack, all joined together to immerse yourself in the bowels of one of the H.P. Lovecraft’s most acclaimed stories in an unprecedented way. The Colour Out of Space is considered one of the best science fiction and terror stories of all time. It was first published in the September 1927 issue of the mythical magazine “Amazing Stories”, and instantly had a great reception among fans of the genre. The Providence genius broke the established molds and presented the greatest of horrors as a simple chromatic element that lurks and threatens the protagonists of the story, something really innovative for the time when the horror stories were based on vampires, ghosts and other more conventional monsters. Perhaps for this reason, this is one of Lovecraft's own favorite stories. Now you can enjoy it in this new interactive format, and be part of the horror that stalked the hills of Arkham during the "strange days" ... If you dare. App Features: • 110 pages (iPad version) / 173 pages (iPhone version) • Original unabridged text: no adaptations. • Available in 3 languages: English, Spanish and French. • More than 63 interactive animations. • 115 minutes of Interactive Original Soundtrack, composed by Miquel Tejada • Illustrated and directed by David G. Forés. • Extra content: Illustrator sketchbook and App creation processes. • Jump to any page of the book from the table of contents. • Page Memory: Return to the same page you left off from. • Universal App: Pay once and have access from any iPhone or iPad device. • Easy-to-use interface. • Compatible with the latest iOS features. • Requires iOS 8.1 or newer. Compatible with iPad 2 and later; iPhone 4s and later; iPod touch (5th generation) • It is recommended to have a Wi-Fi connection in order to download the application
Written user reviews are not shown here. Check current App Store reviews >
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.