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
Cineasty
Cineasty — Movie Mini‑Games
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.5
29 ratings · Top 50%
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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included15 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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Cineasty: map the core Productivity 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
Include personalized recommendations and advanced filtering options.
Assumption to check: Limited movie discovery features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Adopt a cleaner layout with minimalist design principles.
Assumption to check: User interface can be cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Optimize app speed and responsiveness.
Assumption to check: Inconsistent performance issues
Validate with people who use this workflow before building.
Hypothesis 4
Add options for users to share their watchlists and movie selections with friends.
Assumption to check: Lack of social sharing features
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
Cineasty — Movie Mini‑Games Overview Explore cinema through fast, bite‑size games and a rich film browser. Reorder box office lists, guess release years, decode emoji plots, complete quotes, connect actor chains, and more — with clean visuals and responsive controls. Posters, taglines, cast, runtime, ratings, and countries are sourced from TMDB. Highlights - 9 mini‑games: Poster Challenge, Role Match, Quote Fill, Box Office Rank, Year Guess, Emoji Plot, Actor Chain, Genre Bingo, Card Draw. - Equal‑width segmented filters, drag‑and‑drop lists, and quick taps for snappy play. - Film search, Discover, and Library with detail pages: posters, overview, genres, runtime, ratings, countries, languages, and finance (budget & revenue) when available. - Session scoring and local history — no sign‑in, no account. - Detail page actions: Favorites, Share, and Ratings for each title. - Library includes Favorites and Ratings lists with poster cards. - Home screen redesigned into a clean 2/3‑column grid with unique tile colors. - Discover filters simplified: Year and Min Rating (action‑sheet selectors) with instant refresh. - Clean, readable design tuned for iPhone/iPad with a light single‑color theme. Games - Box Office Rank: drag to order by revenue (highest → lowest). Filter by country, count (3/4/5), and optional year. - Year Guess: pick the year and submit to see accuracy. - Emoji Plot: decode the story from emoji. - Quote Fill: fill the missing words with Easy/Medium/Hard difficulty; switch between Tagline and Overview sources. - Role Match: match characters to the correct actors. - Actor Chain: connect actors across films. - Genre Bingo: complete lines on a 3×3 grid. - Poster Challenge / Card Draw: reveal images and identify the film. Design & UX - Consistent accent colors and rounded controls. - Keyboard accessory with Done on text inputs to dismiss quickly. - Input fields with padding for comfortable typing. - Home uses a 2/3‑column grid with non‑repeating tile colors for quick navigation. - Discover uses action sheets for Year and Min Rating selection, refreshing results instantly. - Detail view adds Favorites, Share, and Ratings for streamlined interaction. Privacy & Data - No account creation and no analytics SDKs. - Local‑only data: gameplay history (game name, score, details, timestamp) is stored on your device. - Optional notifications: permission can be enabled/disabled in iOS Settings. - Content and images are fetched from TMDB; image caching may occur on your device. TMDB Credit This product uses the TMDB API but is not endorsed or certified by TMDB.The website is: https://www.themoviedb.org/
Written user reviews are not shown here. Check current App Store reviews >
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
Supabase
Zustand
react-native-reanimated
BUILD KIT DIFFICULTY
Intermediate
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.
