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
Matthew Henry Commentary
The complete six volume set (over 5,850 pages) of trusted verse-by-verse commentary of the entire holy bible with over 64,000 scripture references at your finger tips - fast and easy to use.
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.9
1,453 ratings · Top 5%
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 included17 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 Matthew Henry Commentary: 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
Regularly update commentaries and add interactive features.
Assumption to check: Limited content updates and features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Introduce offline mode for downloaded commentaries.
Assumption to check: Lack of offline access for saved content
Validate with people who use this workflow before building.
Hypothesis 3
Implement better categorization and filtering options.
Assumption to check: Navigation can be confusing with many commentaries
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the purchase and subscription process with clear prompts.
Assumption to check: In-app purchase process can be unclear
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
The complete six volume set (over 5,850 pages) of trusted verse-by-verse commentary of the entire holy bible with over 64,000 scripture references at your finger tips - fast and easy to use. The complete Matthew Henry Commentary in 6 volumes is contained entirely on your iPad/iPhone/iPod Touch along with all reference scripture texts (KJV translation), no wireless connection needed. Designed to be fast and easy to use, the controls are very simple; touch the left or right arrows to go back/forward a chapter at a time. Touch the book icon to bring up the list of all books, chapters and verses to quickly jump there. Touch a blue scripture reference and those scriptures will be instantly displayed. Features: - Self-contained no wireless connection needed. - Fast and easy to use. - Remembers your location on exit so you return to where you last left off. - Scripture references included (KJV translation) - Supports landscape and portrait viewing modes - Keeps history of chapters to easy backtrack - Includes search feature
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
react-navigation
react-query
zustand
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.
