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
Psalmthing About Mary
Discover God's Word, One Verse at a Time
$0.99 · In-app purchases
PRICE
$0.99
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'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 Psalmthing About Mary: map the core Books 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 a broader selection of spiritual and religious texts.
Assumption to check: Limited content variety might lead to user disengagement.
Validate with people who use this workflow before building.
Hypothesis 2
Add features for users to share thoughts and discuss readings.
Assumption to check: Lack of social features limits community engagement.
Validate with people who use this workflow before building.
Hypothesis 3
Enable content downloads for offline access.
Assumption to check: No offline reading capability.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance UI with modern design trends to attract a wider audience.
Assumption to check: Basic UI may not appeal to all users.
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
Discover God's Word, One Verse at a Time Transform your daily routine with PsalmthingAboutMary - the beautifully designed app that brings Scripture directly to your heart. Whether you're seeking inspiration, comfort, or spiritual growth, let God's Word guide your journey. What Makes Us Special: Random Bible Verses - Receive divinely inspired verses chosen just for you Daily Notifications - Start each morning with "Today's Word of Power" at 9 AM Save Your Favorites - Bookmark meaningful verses to revisit anytime Full Chapter Reading - Dive deeper into context with complete chapter views Beautiful Design - Elegant, peaceful interface that honors the sacred text Offline Access - Your saved verses are always available, even without internet Perfect For: Daily devotion and spiritual reflection Finding comfort during difficult times Building a consistent Bible reading habit Discovering new verses you might never find on your own
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
Axios
React Query
Shadcn/UI
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.
