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
Curse Quick soundboard
Bad words galore! With this FREE soundboard, you can unleash profanity to your hearts desire in 40+ different languages
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.9
28 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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What's included13 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 Curse Quick soundboard: 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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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
Curate a larger collection of unique sounds.
Assumption to check: Limited sound variety compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Simplify navigation and enhance visual hierarchy.
Assumption to check: User interface can be cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Provide clear pricing information and benefits upfront.
Assumption to check: In-app purchase system is not clear
Validate with people who use this workflow before building.
Hypothesis 4
Include functionality to share favorite sounds with friends.
Assumption to check: No sharing options for sounds
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
Bad words galore! With this FREE soundboard, you can unleash profanity to your hearts desire in 40+ different languages. Curse Quick is a simple multilingual profanity soundboard app that makes it easy to drop swear words at a moment's notice. With 15 different phrases and 38 languages, there's no limit to the amount of obscenities you can create! We recorded our curse words with skilled native speakers in a variety of languages/dialects: Afrikaans, Amharic, Arabic, Armenian, Cantonese, Croatian, Dutch, English, DOG*, Farsi, Finnish, French, Gaelic, German, Greek, Hausa, Hebrew, Hindi, Hungarian, Icelandic, Italian, Igbo, Jamaican, Japanese, Korean, Mandarin, Montenegrin, Polish, Portuguese, Romanian, Russian, Serbian, Sesotho, Somali, Spanish, Swahili, Swedish, Tagalog, Turkish, Ukrainian, Urdu, Vietnamese, Xhosa, Yiddish, Yoruba, Zulu. Curse Quick is also a great tool for learning bad words in other languages. Here are some of the things you can do once you get fluent in Curse Quick: 1. Impress your family by speaking dozens of languages. 15 phrases is enough to fake it. 2. Shock strangers who are having a conversation in their native language. Drop the F-bomb and run. 3. Cuss out your boss without any consequences. When you do, say it means "I love this job" and you'll be fine. * Yes. A real dog.
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
react-navigation
expo-av
react-native-async-storage
react-native-reanimated
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.
