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
ABC Listen
Die Methode der ABC-Liste ist eine Kreativ- und Denkmethode
$1.99 · In-app purchases
PRICE
$1.99
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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 ABC Listen: 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
Incorporate features for user-generated content or partnerships with content providers.
Assumption to check: Limited audio content variety can lead to user disengagement
Validate with people who use this workflow before building.
Hypothesis 2
Add recurring schedules and reminders.
Assumption to check: Lack of advanced scheduling features may frustrate power users
Validate with people who use this workflow before building.
Hypothesis 3
Implement offline audio caching to enhance user experience.
Assumption to check: No offline listening capability restricts usage
Validate with people who use this workflow before building.
Hypothesis 4
Streamline UI design for better accessibility and focus.
Assumption to check: User interface may feel cluttered
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
Die Methode der ABC-Liste ist eine Kreativ- und Denkmethode. Sie wurde von Vera F. Birkenbihl entwickelt und findet sich heute in unzähligen Kontexten wieder, wo es darum geht das eigene Gedächtnis anzuzapfen und über Assoziationen neue und kreative Ideen zu generieren. Du kannst ABC-Listen z.B. nutzen um: * Ideen für einen Artikel, einen Vortrag oder ein Buch zu sammeln * Lösungen zu einem Problem zu finden * Kreative Antworten für eine Fragestellung bringen * Geschenkideen für Deinen besten Freund sammeln Anwendung: Schritt 1: Gib ein Thema ein, zu dem Du Ideen sammeln möchtest. Schritt 2: Gib Dir einen Zeitrahmen von 2-10 Minuten. (Psst… Du kannst nach Ablauf des Timers noch weitermachen) Schritt 3: Mit „Start“ gehts los Schritt 4: Tippe Deine Assoziationen zu dem Thema ein und bestätige jedes Wort oder jede Phrase mit Enter. Beachte dabei die Tipps unten. Schritt 5: Wenn Du fertig bist, tippe auf „Fertig“ Schritt 6: Tippe auf Dein Thema in der Auflistung der ABC-Listen und Dein Ergebnis wird in die Zwischenablage kopiert. Du kannst es dann in einer beliebigen App einfügen (z.B.: Mail, Notizen, …)\ Tipps: Tipp 1: Du musst die Buchstaben nicht der Reihe nach durchgehen. Auch durcheinander ist erlaubt. Tipp 2: Lass Deinen Blick immer wieder über die Liste schweifen. Dann hast Du möglicherweise neue Assoziationen. Tipp 3: Buchstaben dürfen leer bleiben - oder auch mehrfach befüllt werden. Lass Dich da nicht einschränken.
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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
Supabase
React Navigation
expo-av
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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.
