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
Prayer Times Qibla Compass Pro
Islamic App – Your Daily Companion for Faith
$5.99 · In-app purchases
PRICE
$5.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
57 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 Prayer Times Qibla Compass Pro: 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
Implement a reliable location service and allow users to correct times.
Assumption to check: Inaccurate prayer times for different locations
Validate with people who use this workflow before building.
Hypothesis 2
Add more granular notification settings.
Assumption to check: Limited customization options for notifications
Validate with people who use this workflow before building.
Hypothesis 3
Introduce a community section for user sharing and feedback.
Assumption to check: Lack of user reviews and community features
Validate with people who use this workflow before building.
Hypothesis 4
Consider offering more features or a free trial to justify the cost.
Assumption to check: High price compared to competitors
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
Islamic App – Your Daily Companion for Faith Stay connected to your faith anytime, anywhere with our all-in-one Islamic app designed to support your daily worship and spiritual growth. - Accurate Prayer Times Get precise prayer times based on your location, with customizable calculation methods and timely Athan notifications so you never miss a prayer. - Qibla Compass Easily find the direction of the Kaaba wherever you are with a reliable and easy-to-use Qibla compass. - Holy Quran Read the complete Holy Quran with a beautiful, easy-to-read interface. Enjoy smooth navigation, bookmarking, and search features for a meaningful reading experience. - Hadith Collection Explore authentic Hadith from trusted sources to deepen your understanding of Islam and the teachings of Prophet Muhammad (SAW). - Islamic Events & Calendar Stay informed about important Islamic dates and events, including Ramadan, Eid, and other significant occasions. - Simple, Elegant & User-Friendly Designed with simplicity and beauty in mind, this app is perfect for Muslims of all ages seeking a reliable daily Islamic companion. Download now and strengthen your connection with Allah every day.
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
expo-location
zustand
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.
