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
RosaryPlus Catholic Devotions
RosaryPlus: Pray the Traditional Rosary in Peace & Beauty – NO ADS
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.2
12 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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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 RosaryPlus Catholic Devotions: map the core Lifestyle 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 custom prayer options.
Assumption to check: Limited variety of prayers and meditations
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate share features to allow users to share prayers with friends.
Assumption to check: No social sharing functionality
Validate with people who use this workflow before building.
Hypothesis 3
Enable offline mode for users to access prayers without internet.
Assumption to check: Lack of offline access
Validate with people who use this workflow before building.
Hypothesis 4
Offer more flexible reminder settings for daily prayers.
Assumption to check: Limited customization options for reminders
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
RosaryPlus: Pray the Traditional Rosary in Peace & Beauty – NO ADS. NO SUBSCRIPTIONS. NO INTERRUPTIONS. Experience truly distraction-free prayer. • 100% Ad-Free: Pray without pop-ups or banners—ever. • One-Time Purchase: Unlock the full app forever—no recurring fees. • Privacy-First: No logins, no tracking, no data collection. Deepen your devotion right now. Download and start praying today! RosaryPlus: Deepen Your Devotion Through Sacred Beauty “…It’s beautiful. There’s something about praying a rosary that makes me long for beauty, especially when I’m staring at a glowing screen for my inspiration. This app delivers.” — Sarah Reinhard, CatholicMom.com Immerse yourself in timeless Catholic tradition with an elegant, redesigned 2026 interface that honors the sacred—minimalist, serene, and easy on the eyes for daily prayer without fatigue. Why Faithful Catholics Choose RosaryPlus • Sacred Art & Scripture for Deeper Meditation: Each mystery features inspiring artwork and complete scriptural references to guide contemplative prayer. • Complete Traditional Devotions: Full Rosary (15/20 mysteries + Luminous), Dominican style, Scriptural meditations in Latin/English, Divine Mercy Chaplet, St. Michael Chaplet, and more—all in one peaceful place. • Bilingual Latin & English: Seamlessly toggle between English and traditional Latin to connect with the Church's heritage. • Flexible for Your Prayer Life: Customize Rosary length, easily track progress on 54-Day Novenas or other long devotions. • Lifetime Support: Free email tech help whenever you need it—we're here for you. Trusted since 2012 by Catholics who value authenticity, beauty, and freedom from ads or subscriptions. Your prayer deserves beauty and focus. Download RosaryPlus today and let tradition meet modern serenity.
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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
Zustand
Axios
React Navigation
expo-av
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.
