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
Mincha Alerts Prayer Reminders
Alerts for Mincha prayer times that adjust automatically and in the background according to the date and your location
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 2.6
5 ratings · Below Average
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Mincha Alerts Prayer Reminders: 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
Allow users to adjust prayer time calculations based on their location.
Assumption to check: Users find the app lacks customization options for prayer times.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a modern UI with better usability.
Assumption to check: The interface feels outdated and not user-friendly.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance background notification handling for consistent alerts.
Assumption to check: In-app notifications are sometimes unreliable.
Validate with people who use this workflow before building.
Hypothesis 4
Include a feedback feature for users to report issues or suggest improvements.
Assumption to check: Limited feedback options from 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
Alerts for Mincha prayer times that adjust automatically and in the background according to the date and your location. Can also show the day number of the Hebrew Date in the app icon. How it works: - Launch Mincha Alerts once and configure the alerts you wish to receive. - From now on you'll receive automatically adjusted alerts for the right times for the Mincha prayer. Benefits: - When traveling, the reminders will auto adjust to your new location. No need to launch the application. - Always up to date reminders no matter where you are and what date it is. Mincha Alerts uses the (new for iOS4) low power significant change of location service to auto-update the alerts without consuming significant power. Mincha Alerts uses local notifications and thus does not need an active Internet connection for alerts to works. NOTE: you need a device with cellular capabilities to use this application (such as an iPhone or an iPad 2) - and location services must be turned on. NEW BONUS: option to show day number of the hebrew date in application icon (badge). This option is turned off by default. ---- Powered by the KosherCocoa framework, written by Moshe Berman. The KosherCocoa framework is a port of the KosherJava framework by Eliyahu Hershfeld. You can get the KosherCocoa framework online at http://GitHub.com/MosheBerman/KosherCocoa
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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
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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.
