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.
1325 free audiobooks in French.
$1.99 · 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 Livres Audio HQ: 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 audiobook selection compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent playback controls and UI
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficult navigation and discovery of new content
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription model may deter casual 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.
1325 free audiobooks in French. Ėcouter des livres en français! If you would like to improve your French listening and comprehension skills, download Livres Audio today to practice listening to native French speakers reading over 1325 classics, poems and short stories with accurate intonation and accents. Listen while commuting, doing housework, or exercising to continue your learning outside the classroom. Each audiobook is downloaded to your device for easy listening on the go. Slow down or speed up the speech to match your listening level and to assure you learn the language’s proper pronunciation. But Livres Audio is not only for students. If you are already fluent in French, use Livres Audio to listen to beautifully read free audiobooks in French. Livres Audio offers the same features as Inkstone Mobile’s other popular audiobook apps, including high quality audio, a sleep timer for listening before bed, and a bookmarks feature to help remind you to review or return to a particularly challenging section! Livres Audio features: • A huge selection of 1325 free books to choose from. • A sophisticated player with simple controls to skip forward and back, bookmark, or set a sleep timer. • Controls to speed up or slow down the playback in 40 increments without altering the pitch. Great for learning French! • Easy search functions to discover the best books and readers. Find books by most downloaded, top rated, tags, and duration. • Leave a note for yourself to come back to your favorite parts of the selection, or to review a tricky section later with the bookmark feature. • Preview an audiobook before downloading with the book preview player. • Once you download your books, you can listen on the go, anywhere. No network connection required. • Listen in background or send to your Apple TV device. • Book details are always one tap away from the player screen. Download Livres Audio now to accelerate your French listening skills and enjoy 1,320 free audiobooks in French.
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.