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 only NC DMV practice app you pay for once — $0.99, no ads, no subscription, no sign-up
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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 Drive Prep NC: DMV Permit Test: map the core Education 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 practice questions compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No offline access for studying
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of gamification features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Minimal user feedback on answers
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 only NC DMV practice app you pay for once — $0.99, no ads, no subscription, no sign-up. Fully offline. Pass the North Carolina DMV knowledge test on your first try. 327 practice questions from the official NC Driver Handbook, available in 11 languages every language the NCDMV offers the real test in, plus Polish. Used by new drivers, learner-permit applicants, and license-transfer candidates across NC. WHAT'S INSIDE • 327 practice questions covering all topics on the real exam: road signs, traffic rules, safety, speed and right-of-way, parking, emergencies, alcohol and drugs, licensing, points and suspensions, insurance and registration • Full exam simulation — 25 questions, 25-minute timer, 80% pass threshold, just like the real test • Custom practice tests — pick 10, 20, or 25 questions, filter by topic, or focus only on questions you've missed • Detailed explanations for every question, with citations to the NC Driver Handbook • Bookmark tough questions to build your own study list • Mark questions as "learned" once you've mastered them TRACK YOUR PROGRESS • Readiness score that combines accuracy, topic coverage, missed-question follow-through, study volume, and exam performance • Streak tracking to build daily study habits • Topic breakdown showing your weakest areas • Recent test history with accuracy trends 100% OFFLINE • No account, no sign-up, no internet required after install • All progress saved on-device — your data never leaves your phone • Works anywhere, anytime AVAILABLE IN 11 LANGUAGES English, Spanish, Arabic, Chinese, French, German, Japanese, Korean, Russian, Vietnamese, Polish. The NC Division of Motor Vehicles offers the written knowledge test in the first ten languages above; Polish is included for the local community. OFFICIAL SOURCES For authoritative information, always refer directly to the North Carolina Division of Motor Vehicles: • NCDMV: https://www.ncdot.gov/dmv • NC Driver Handbook (PDF): https://www.ncdot.gov/dmv/license-id/driver-licenses/new-drivers/Documents/driver-handbook.pdf • Book a DMV appointment: https://skiptheline.ncdot.gov Drive Prep NC is a study aid built around the publicly available NC Driver Handbook — not a substitute for the official NCDMV materials. DISCLAIMER Drive Prep NC is not affiliated with, endorsed by, or connected to the North Carolina Division of Motor Vehicles. Questions are for practice purposes only and may not reflect actual exam content. Always refer to the official NC DMV handbook for the most current information.
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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.