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 U.S
$1.99 · 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 Army Survival Skills: 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 content updates and new skills.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of user engagement features like challenges.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficult navigation for finding specific skills.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline access to skills.
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 U.S. Army knows how to train their personnel to survive. Their field manual is the most authoritative guide on survival. This app provides a complete reference guide on basic survival, evasion, first aid and recovery information. If you are an outdoor enthusiast, this app may be essential to your survival. The Army Survival app is the U.S. Army Field Manual 21-76, titled “Survival.” We've added all new high resolution images for plants, animals and insects to make this manual even more useful. Army Survival includes information on: * Psychology of survival * Basic survival medicine * Shelters * Water procurement * Edible and medicinal plants * Poisonous plants * Dangerous animals, snakes, lizards, fish, insects and arachnids * Field weapons, tools and equipment * Desert survival * Tropical survival * Cold weather survival * Sea survival * Direction finding * Signaling techniques * Predicting weather * Ropes and Knots We've also included almost 300 pages of additional bonus information on: * Survival Medicine (over 180 additional more in-depth pages) * Communications * Driving & Vehicles * Health & Fitness Calculators * Mountaineering * Navigation * Ropes and Lines Calculators * Tracking * Water Crossings * Water Rescue * Weather As a lover of the outdoors you may be anywhere in the world. It may be a temperate, tropical, arctic, or sub arctic region. You expect to have all your personal equipment and or other members of your group with you wherever you go. There is, however, no guarantee that’s how your adventure will go. You could find yourself alone in a remote area— with little or no personal gear. This app provides information and describes basic techniques to enable you to survive and return alive should you find yourself in such a situation. Bonus Material! + Survival Medicine + Communications + Driving & Vehicles + Health & Fitness + Mountaineering + Navigation + Ropes and Lines + Tracking + Water Crossings + Water Rescue + Weather
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.