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.
This is a very simple shopping list app
Free · 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 Shopping List - Simple & Easy: map the core Shopping 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: Users struggle with organizing multiple lists effectively.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited customization options for lists and items.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No option to share lists with others.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Push notifications for reminders are lacking.
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.
This is a very simple shopping list app. Makes it very easy to create multiple lists. For example, you can create one for each store that you shop at. Use it for grocery shopping or any other listing needs that you may have. Here are the super simple instructions: * Click on the plus sign to create a new list. * Enter the items to buy in the yellow text box. * Tap to cross off the item when done. Some Helpful Tips * Lists are reusable. So for example, if you make a grocery list to shop for groceries at the local store, it can be reused over and over again. There is no need to keep making a new one each time. Just make it once, and after that just check and uncheck the items. It will be uniquely yours and will always have the items you buy. * Hit the trash icon to clean up and get rid of crossed items. * Emojis can be inserted using the built in function of your keyboard. This app contains ads. Ads can be removed with a premium subscription. Two options are available. A monthly subscription that bills once every month and a yearly subscription which bills once every year. Subscriptions renew automatically unless cancelled. Subscriptions can be cancelled under your Apple account's subscription settings. Terms of Use and Privacy Policy: https://opulogic.com/tos/tos.html
Written user reviews are not shown here. Check current App Store reviews >
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.