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
Laudate - #1 Catholic App
The most popular and most comprehensive free Catholic App
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.0
3,744 ratings · Top 30%
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 Laudate - #1 Catholic App: 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
Provide offline mode for downloaded prayers and readings.
Assumption to check: Limited offline access to content.
Validate with people who use this workflow before building.
Hypothesis 2
Implement clearer navigation paths and breadcrumbs.
Assumption to check: Navigation can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Regularly update content and notify users.
Assumption to check: Inconsistent updates for prayers and readings.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize their favorite prayers and saints.
Assumption to check: Lack of personalization features.
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 most popular and most comprehensive free Catholic App. Available in English, Español, Português, Française, Deutsch, Nederlands, Slovenský, Italiano, Bahasa, Polski, Slovenski, Hrvatski, Việt, 简体, 繁體, Filipino and Românesc. Daily Mass Readings (with Saint of the Day and Reflections). Liturgy of Hours, Latin Liturgy of Hours, Latin Mass, New American Bible, interactive Rosary and Chaplet of Divine Mercy, Seven Sorrows Rosary, Chaplet of St. Michael, Franciscan Crown Rosary, Latin Rosary, Latin Chaplet of Divine Mercy, Servite Rosary, Chaplet of Sacred Heart, Chaplet of Holy Spirit, Chaplet of St Joseph, Chaplet of St Mary Magdalene, multiple Stations of the Cross, searchable prayers and latin prayers with English translation. Douay-Rheims Challoner Bible for offline use. Daily Prayer and Daily Bible Verse. Multiple podcasts for daily meditations and Rosary. Catechism of Catholic Church with ability to bookmark and share. My Prayers lets you store your own prayers and move them between iPad and iPhone. 5 Confession apps for different groups, guides through sacrament of reconciliation. Vatican documents: 2nd Vatican Council, Code of Canon Law. Daily Mass live video stream and more....
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
Redux
React Native Audio
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.
