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.
Enjoy reading The Art of War ebook with auto-scrolling, day and night viewing modes, bookmarks, multiple font sizes, full screen viewing in portrait and landscape orientations, and more!
$4.99 · 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 eBook: The Art of War: map the core Books 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 book selection
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent reading experience
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Poor search functionality
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No social 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.
Enjoy reading The Art of War ebook with auto-scrolling, day and night viewing modes, bookmarks, multiple font sizes, full screen viewing in portrait and landscape orientations, and more! FEATURES: • AUTO-SCROLL: Hands free reading with our advanced variable speed auto-scrolling. • FULL SCREEN VIEW: No tab, navigation, or toolbars to get in your viewing way. • BOOKMARK CONTROLS: Bookmarking lets you start up where you left off fast. • MULTIPLE FONT SIZES: Increase or decrease the text size quickly and easily. • DAY & NIGHT MODES: Switch from day to night mode at the touch of a finger. • PORTRAIT & LANDSCAPE: Read your eBook in portrait or landscape position. • AUTO SETTINGS: Your viewer settings are automatically saved and loaded. • COPY & PASTE: Copy and paste selected text to other apps. • TEXT MAGNIFICATION: Magnify text for easier reading. • And more! eBook Media Viewer Series #21 Title: The Art of War Author: Sun Tzu Pages: 164 Details: The Art of War is one of the oldest, most successful, and definitive books on military strategy and tactics. It has had an influence on Eastern military thinking, business tactics, and beyond. Sun Tzu suggested the importance of positioning in strategy and that position is affected both by objective conditions in the physical environment and the subjective opinions of competitive actors in that environment. He thought that strategy was not planning in the sense of working through an established list, but rather that it requires quick and appropriate responses to changing conditions - planning works in a controlled environment, but in a changing environment. Table of Contents: 1.Laying Plans- explores the five fundamental factors that define a successful outcome. By thinking, assessing and comparing these points you can calculate a victory, deviation from them will ensure failure. Remember that war is a very grave matter of state. 2.Waging War- explains how to understand the economy of war and how success requires making the winning play, which in turn, requires limiting the cost of competition and conflict. 3.Attack by Stratagem- defines the source of strength as unity, not size, and the five ingredients that you need to succeed in any war. 4.Tactical Dispositions- explains the importance of defending existing positions until you can advance them and how you must recognize opportunities, not try to create them. 5.Energy- explains the use of creativity and timing in building your momentum. 6.Weak Points & Strong- explains how your opportunities come from the openings in the environment caused by the relative weakness of your enemy in a given area. 7.Maneuvering- explains the dangers of direct conflict and how to win those confrontations when they are forced upon you. 8.Variation in Tactics- focuses on the need for flexibility in your responses. It explains how to respond to shifting circumstances successfully. 9.The Army on the March- describes the different situations in which you find yourselves as you move into new enemy territories and how to respond to them. Much of it focuses on evaluating the intentions of others. 10.Terrain- looks at the three general areas of resistance (distance, dangers, and barriers) and the six types of ground positions that arise from them. Each of these six field positions offer certain advantages and disadvantages. 11.The Nine Situations- describe nine common situations (or stages) in a campaign, from scattering to deadly, and the specific focus you need to successfully navigate each of them. 12.The Attack by Fire- explains the use of weapons generally and the use of the environment as a weapon specifically. It examines the five targets for attack, the five types of environmental attack, and the appropriate responses to such attack. 13.The Use of Spies- focuses on the importance of developing good information sources, specifically the five types of sources and how to manage them.
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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.