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
Offline Quran Audio Reader 2
*** Offline Quran Reader Pro ***
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
200 ratings · Top 15%
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 Offline Quran Audio Reader 2: 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
Provide a wider selection of audio files for each surah
Assumption to check: Limited offline audio options
Validate with people who use this workflow before building.
Hypothesis 2
Implement a guided onboarding experience to ease navigation
Assumption to check: Difficult navigation for new users
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize the UI theme and audio playback settings
Assumption to check: Lack of customization in settings
Validate with people who use this workflow before building.
Hypothesis 4
Enable sharing of favorite surahs or audio clips on social media
Assumption to check: No social sharing 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
*** Offline Quran Reader Pro *** Offline Quran Reader Pro is a unique Muslim source for listening and reading to the Mubarak (Holy) Quran in all your devices with many advanced abilities, such as: - 12 different Quran translations + Tafsirs (Interpretations) - Detailed Word Search in whole Qur'ân - Following Qur'ân with Pronunciation and Meaning of Ayahs in 30 different languages (English, العربية, Français, Türkçe, Pусский, Español, Deutsch, Bengali, Bahasa Indonesia, Bahasa Melayu and 22 more...) - Resumable (You can resume from the ayah that you have paused) - Word by Word Quran details (also supported by word by word audio) - Excellent and simple Audio Player (Beautiful and clean reciter: Abdul Basit Abdussamad) - Detailed information about Surahs - Personalize your phone with ayats and Quran by many available widgets - Notifications for Quran reminders - Running perfectly without Internet
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
expo-av
react-native-paper
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.
