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
Amen: Catholic Bible & Prayers
Celebrate Lent with Amen through our Daily Catholic Prayers, bible readings, rosary & more!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
45,055 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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A product spec, screen plans, and build steps for your coding agent.
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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/
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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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Amen: Catholic Bible & Prayers: 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
Allow users to create personalized prayer lists and customizable Bible verse displays.
Assumption to check: Limited content customization options for users
Validate with people who use this workflow before building.
Hypothesis 2
Implement a clearer navigation structure with better labeled tabs.
Assumption to check: In-app navigation can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Enable offline access to frequently read Bible chapters.
Assumption to check: Lack of offline access to Bible verses
Validate with people who use this workflow before building.
Hypothesis 4
Offer more free content to engage users before prompting them to subscribe.
Assumption to check: Subscription model may deter 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
Celebrate Lent with Amen through our Daily Catholic Prayers, bible readings, rosary & more! Amen is the Catholic Bible and prayers app that helps inspire your conversation with God. The daily readings, Catholic Mass recordings, and nourishing Scripture passages allow you to further your relationship with God. Our recordings of Catholic prayers let you pray as you go about your daily routine. Calm your mind with Christian meditations and sleep recordings, then nourish your soul with the holy Rosary & Catholic prayers. Dive even deeper with immersive Bible study & Catholic daily readings. Our new Daily Carousel at the top of the Today Screen has convenient, practical daily content to build your spiritual habits. Daily Catholic Prayers - Immerse yourself in the spirit of Lent with our Catholic bible, prayers & readings! - Enjoy Catholic daily readings & devotions - The prayer app: Find inspiration with prayers such as the Morning Offering, Act of Hope, & more - New prayers added regularly - 20 prayers in Spanish, now available! - Save your favorite prayers & pray as you go about your day - Prayer journal: Keep journal entries & notes of your favorite prayers Catholic Bible Studies & Stories - Immerse yourself in new audio Bible study experiences - Our immersive audio Bible studies will nourish your soul - Experience the Scriptures and the life of Christ vividly like never before Catholic Rosary - Pray the Rosary in standard, meditative, and scriptural formats - Enjoy the Catholic Rosary with optional background music Daily Catholic Mass Readings - Listen to insights on the daily Catholic Mass readings from Scripture scholar Dr. Tim Gray - Opening the Word: Explore reflections on the Sunday Mass readings from trusted Catholic theologians and speakers - Re-discover the Word of God and the Catholic Mass with spiritual guidance Christian & Catholic Meditations - Meditate through guided lectio divina - Biblical, Christian meditations for every day of the week - Enjoy a diverse selection of Catholic meditations such as "Guard your Mind," "Delivered from Shame," and more - Enjoy sleep stories that bring you into stories inspired by Scripture - Learn how to pray and grow in your Catholic spirituality with new learning series now on Amen Improve your relationship with God with our Catholic prayers & Bible app. Our Christian meditations, Catholic Rosary prayers, Scriptures, and Catholic daily readings help you pursue more profound communion with God. Amen can save your meditation and sleep sessions to your Apple Health app.
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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/native
axios
react-native-share
BUILD KIT DIFFICULTY
Advanced
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.
