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
Proverbs 31 Pro
Proverbs 31 Pro is the ad-free version of our beloved devotional app, created to encourage women, mothers, and wives to live out the timeless wisdom of Proverbs 31.
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 2.5
17 ratings · Below Average
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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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included18 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 Proverbs 31 Pro: 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
Include user-generated content and community features.
Assumption to check: Limited content variety and depth
Validate with people who use this workflow before building.
Hypothesis 2
Optimize API calls and improve loading times.
Assumption to check: Poor app performance and speed
Validate with people who use this workflow before building.
Hypothesis 3
Implement a cohesive design system.
Assumption to check: Inconsistent user interface design
Validate with people who use this workflow before building.
Hypothesis 4
Introduce gamification and personalized content recommendations.
Assumption to check: Low user engagement and retention
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
Proverbs 31 Pro is the ad-free version of our beloved devotional app, created to encourage women, mothers, and wives to live out the timeless wisdom of Proverbs 31. This chapter celebrates the virtuous woman, industrious, God-fearing, and devoted to her family and faith. Women around the world study Proverbs 31 as a guide for building a life that honors the Lord. This app was made in honor of all the women aspiring and steadily striving to live out the Proverbs 31 example daily. How It Works: Each day, receive a verse from Scripture along with thoughtful commentary to help you meditate on God's Word. Save your favorite verses, record voice reflections, and connect with a community of women walking the same faith journey. Features: Daily Verses - Updated NIV translation Verse Commentary - Insights from Matthew Henry Daily Devotionals - Thoughtful reflections on biblical truth Social Sharing - Share verses via SMS, Facebook, or Twitter Favorites - Save and revisit verses that move you Journal - A quiet place for prayers and reflections Please don't forget to pray for us and rate this app! Many Blessings on your walk in the Lord! -from Christian App Empire Team,
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
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.
