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.
App Overview
Повести Белкина (Пушкин)
Повести Покойного Ивана Петровича Белкина и История села Горюхина от А
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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A product spec, screen plans, and build steps for your coding agent.
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What's included14 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Повести Белкина (Пушкин): 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Focus on curating a quality selection and providing rich details.
Assumption to check: Limited book selection compared to larger platforms
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate community features for reviews and discussions.
Assumption to check: Lack of user engagement features like comments or ratings
Validate with people who use this workflow before building.
Hypothesis 3
Provide clear information on what users are purchasing with a preview.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Implement algorithms for personalized book suggestions based on reading history.
Assumption to check: No personalized recommendations
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Повести Покойного Ивана Петровича Белкина и История села Горюхина от А. С. Пушкина. Представляем вашему вниманию приложение Повести Белкина (Пушкин). Повести Белкина — первое завершённое прозаическое произведение Пушкина. Все повести написаны в селе Большое Болдино осенью 1830 года и изданы в конце октября 1831 г. Иван Петрович Белкин — персонаж, вымышленный Пушкиным. Цикл Повестей Белкина имеет связь с Историей села Горюхина, задуманной одновременно, но оставшейся незаконченной. В произведениях Пушкина существует второй смысловой ряд, а в Повестях Белкина заложена матрица, которую вам предстоит раскрыть. Повести Белкина состоят из предисловия издателя и пяти повестей. Также в приложение добавлена История села Горюхина. Приложение состоит из рубрик: 1) От издателя 2) Выстрел 3) Метель 4) Гробовщик 5) Станционный смотритель 6) Барышня-крестьянка 7) История села Горюхина В приложении удобное управление и меню. Есть возможность выбрать цвет фона, изменить размер шрифта, вид шрифта, а также перелистывать рубрики. Можно включить вывод полосы с названием рубрики вверху. Кроме того, запоминается последнее место чтения при закрытии приложения. Можно открыть приложение и продолжить чтение. Все ваши пожелания будут приняты во внимание. Не забудьте посмотреть другие мои приложения. Приятного пользования!
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Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
Axios
React Navigation
BUILD KIT DIFFICULTY
Starter
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.
