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.
The purpose of this app is to have all your church songs in one place and everyone that has the app installed has the ability to upload and share a song to the cloud, and it will automatically be downloaded to anyone ...
$2.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Hiva Fakalotu: 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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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
Assumption to check: Limited book discovery features
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: User management and subscription handling can be complex
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchases may confuse users
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Potential lack of content variety
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
The purpose of this app is to have all your church songs in one place and everyone that has the app installed has the ability to upload and share a song to the cloud, and it will automatically be downloaded to anyone that has the app installed. App Features - Light and Dark mode. - Online and Offline - You don't need to have an internet connection to use the app, you can use it completely offline but if you want to add a song to it, you must register an account. - You can add a song to your Favourite songs. - Reorderable songs - This feature allows you to add songs to this list and then reorder them to whatever order you like. This is good for a worship group or a performer who likes to prepare songs and in order of how they will perform. - Advanced search - Being able to search for a song has never been easier. If you don't remember the name of the song? Don't worry, just type any phrase that you remember and it will give you all the songs that have the phrase on it. Amazing right? - Public songs vs Local songs - All the songs that you'll see after you install the app for the first time will show "PUBLIC" underneath the Title, this will indicate that this song is in the cloud/public, and everyone that has the app can see it but if you add a new song it will show "LOCAL" this will let you know this song is stored on your device only, however, if you want to share your song with everyone that has the app then you will need to upload it to the cloud. - Edit/Delete/Copy - Only the person who added the song will be able to edit, delete or copy that song. Note: - Users a responsible for the songs stored on their devices. If you uninstall the app, and then reinstall it all the songs on your device will be lost, except for the ones that you uploaded to the cloud. Hope you find this app useful. Please feel free to let us know of any errors or any improvements that we may be able to implement to the app. Mālō 'aupito.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.