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 Scrollit: display scrolling: map the core Business 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 customization options for scrolling text
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of advanced scheduling features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty in managing multiple displays
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline support
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.
We support Ukraine ScrollIt turns your iPhone or iPod Touch into an L.E.D. message display board. ScrollIt will help you tell your friends, colleagues, or anyone something - when they can’t hear you: at a club, concert, class, meeting, lecture, or even a restaurant. Just type your message and hit Display, and ScrollIt will scroll the message large enough for everyone around to see. What adds to the fun is that ScrollIt offers easy-to-type emoticons right from the same keyboard. Make your text even more fun to watch! The phone vibrates quietly to let you know when the message has finished. (Replaced with a short beep on iPod Touch and iPad.) The endless-loop option lets ScrollIt repeat your message indefinitely. Some of the reviews by ScrollIt customers: Great app 5-STARS by Benji897765 - Version 1.2 - Jun 6, 2014 Works well, easy to use interface. If you want an app for scroll texts, this is the one you want. Happy 5-STARS by SpaceSkunk - Version 1.2 - Jun 5, 2014 This app does everything I expected and my kids love it when I'm cheering for them. ScrollIt features: • Simple yet powerful design with no confusing buttons or switches • Emoticons from the same keyboard • Unlimited message length • Mini live preview for easy color and speed selection • Short vibration at the end of scrolling • Endless-loop option • Right-to-left display for Arabic or Hebrew • Three L.E.D. shapes: neon, round, and square • Recently-used message list with one-tap access Want to use hundreds more emoticons in ScrollIt? From your iPhone Settings App, choose General -> Keyboard -> Keyboards -> Add New Keyboard, and select Emoji from the list. In ScrollIt, tap the globe button at the bottom left of the keyboard to switch to Emoji and back. Use ScrollIt for: • Flirting: display messages to people at the disco, bar, or other crowded places. • Talk to your friends at school or college: send your visual message up to 50 feet across a classroom. • Cheer at a concert or sports event: that rock star or your favorite player deserves to know how you feel! • In the office: get rid of unwanted visitors without even talking to them. • If you can't or don't want to talk: you’re sick or in a bad mood. • Just to be cool: we guarantee you’ll be popular anywhere with ScrollIt! If this is not enough for you, you can try our ScrollIt 2X. ScrollIt 2X has more features and capabilities. We’re constantly improving ScrollIt, and we value our users’ opinions. If you have a problem with the app, please contact us via Support in the Info screen. Thank you.
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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.