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
ACIM
A Course in Miracles began with the sudden decision of two people to join in a common goal
$17.99
PRICE
$17.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.7
3 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 ACIM: map the core Reference 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
Implement advanced filtering and sorting options.
Assumption to check: Limited content search functionality.
Validate with people who use this workflow before building.
Hypothesis 2
Add quizzes or discussion forums to enhance engagement.
Assumption to check: User engagement is low due to lack of interactive features.
Validate with people who use this workflow before building.
Hypothesis 3
Implement offline caching for lessons.
Assumption to check: No support for offline reading.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to categorize and tag bookmarks.
Assumption to check: Limited bookmarking options.
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
A Course in Miracles began with the sudden decision of two people to join in a common goal. Their names were Helen Schucman and William Thetford, Professors of Medical Psychology at Columbia University’s College of Physicians and Surgeons in New York City. As its title implies, the Course is arranged throughout as a teaching device. It consists of three books: a 669-page Text, a 488-page Workbook for Students, and a 92-page Manual for Teachers. The order in which students choose to use the books, and the ways in which they study them, depend on their particular needs and preferences. The curriculum the Course proposes is carefully conceived and is explained, step by step, at both the theoretical and practical levels. It emphasises application rather than theory, and experience rather than theology. It specifically states that “a universal theology is impossible, but a universal experience is not only possible but necessary” (Manual, p.~77). Although Christian in statement, the Course deals with universal spiritual themes. It emphasises it is but one version of the universal curriculum. There are many others, this one differing from them only in form. They all lead to God in the end.
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
Axios
React Navigation
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.
