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.
By Markus Rothkranz
$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.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
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 Edible Plant Guide: map the core Health & Fitness 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 plant database and information depth
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Search functionality can be slow
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of community features
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.
By Markus Rothkranz Over 2,500 beautiful full color images covering over 950 plants and what health conditions they have been historically used for. The “Edible Plant Guide” (Free Food & Medicine) will help you identify the plants that you see outside your house, and use their natural powers to live a truly healthy life. Did you know dandelions are edible? Or that you can make tea from lawn grass that’s great for lungs, bronchitis, skin conditions and preventing kidney stones? Health Problems? Find out about the plants historically used for 377 different health conditions. Those wild plants growing just outside your house and neighborhood are some of the best free food and medicine you could ever have! - What common neighborhood plants make a great shampoo, soap and toothpaste? - What flowers and common houseplants are edible? - What plants help you quit smoking? - What plants are great for arguing couples? - Which have more protein than meat? - Which are great coffee substitutes? Forget expensive organic grocery stores. This extensive app shows you how you can eat the healthiest food on the planet for FREE... how you can get the most powerful healing medicine in the world for FREE. People all over the world are doing this and radically improving their lives. It doesn't matter if you live in the city or country. There is free food everywhere. There is no excuse for not being able to afford food or healthcare, because the healthiest food and medicine on the planet is free, it's all-natural, and it's growing right outside your house and around your neighborhood. This is not just the lifestyle of desperate poor, but people from all walks of life are discovering the amazing health and longevity benefits of eating wild and garden foods. Beautiful full color illustrations of the most popular edible plants found all around the world, and what their health benefits are. Includes toxic plants, different methods of preparation, nutritional information and specific health condition reference. No home should be without this amazing app. You will be amazed at the endless uses for those wild plants outside! FEATURES: • Over 950 edible and non-edible plants. Pinch zoom in and out availability for images. • Descriptions about the plants. • Narrow your search down using 12 categories such as Berries, Flowers, Trees, Seaweed and etc. • 377 health conditions and the historically used plants for each condition. • Ability to search on our “A-Z” and “Diagnosis” pages. • Ability to save your favorite plants. • No Internet connection is needed after the app is installed.
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.