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.
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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 Jason Vale’s Super Fast Food: map the core Food & Drink 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 meal variety compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of user reviews for recipes.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase confusion regarding subscription benefits.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Slow loading times for images and content.
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.
NOW FULLY FUNCTIONING! After a few technical issues with our video hosting, we're happy to inform you that as of right now, this #1 SELLING APP from BEST-SELLING AUTHOR JASON VALE is now FULLY FUNCTIONING once again. There's never been a better time to take control of your health. OVER 1 MILLION JASON VALE APPS HAVE NOW BEEN SOLD! Jason Vale - the world's number one name in juicing - brings you his first ever wholefood recipe app. It's the perfect way to follow on from any Jason Vale juice/blend plan or for anyone looking for quick, healthy, nutritious, and delicious recipe ideas. Jason believes that the whole business of healthy eating has been overcomplicated, which is why you won't find any strange ingredients that can only be found in an Amazonian rainforest! Anyone can make these simple, tasty, nutrient-packed meals in super-fast time. The app's best feature is arguably the 'Design Your Own Diet - 7 Day Meal Planner' function, which allows you to pick your favourite recipes and create your own exciting menus. Whether veggie, vegan, or pesci – there's something for everyone. From mouthwatering mains, satiating sides, and delicious desserts – Super Fast Food has it all. The Super Fast Food app brings the Super Fast Food book to life and features: Over 95 delicious vegan/vegetarian/pescatarian recipes. Two pre-set 7-day food plans (pesci & veggie options). ‘Design Your Own Diet’ – 7-day meal planner function. Auto-generated shopping list function. ‘Shake to Shuffle’ feature (so you can mix up your own menu, just by shaking your phone!). Recipe videos. ***** This app is fabulous. There are many really good recipes in it, and I want to try them all! SHELGY09 ***** Easy-to-follow recipes that are delicious. Makes healthy eating a pleasure SOPHIA D RECIPE SECTIONS INCLUDE: Wakey Wakey, Rise & Shine 'Soup'er Food Super Salads Dressed To Impress Some Like It Hot Vegan Some Like It Hot Vegetarian There's Something Fishy Going On The Classics A Bit On The Side Chips & Dips Sweet Surrender ABOUT JASON! Jason Vale, also known as the 'Juice Master', has sold over 6 million books, over 1 million apps, made a movie (Super Juice Me!), opened a few health retreats (www.juicemasterretreats.com), and been on a mission to Juice the World for over 20 years! "When it comes to juicing, there's only one man for the job." CAROL VORDERMAN "The King of Juicing." ALESHA DIXON "Jason Vale's approach is all about taking control of your health using common sense and logic. Always delivered with his unique humour and most importantly, easy to apply to your own life." BEVERLY KNIGHT
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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.