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.
MyCache turns saving into something kids can see
$0.99
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.
Your first Build Kit is free with a verified email.
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.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
MyCache turns saving into something kids can see. You keep the family's savings ledger, and your kids watch their money grow - with interest you pay, an allowance that posts itself, and goals they can track every day. THE INTEREST IS THE LESSON Set an interest rate for each child and MyCache pays it on the 1st of every month, compounding as the balance grows. Kids learn that money left alone earns more money - not from a lecture, but from watching it happen to their own savings. FOR PARENTS • Record deposits and withdrawals, including ones from the past - every balance and interest payment is recalculated • Set a weekly or monthly allowance that posts automatically • Change interest rates any time; past months keep the rate they were earned at • Approve or decline withdrawal requests, with an optional note • Invite another parent to help run the family's accounts • Use the web at mycache.money as well as the app - everything stays in sync WHAT YOUR FAMILY SEES • Each balance, what interest has added, and when the next payment lands • Progress toward a goal, like a bike or a game, shared by everyone saving for it • Milestones, like "$5,000 by a 15th birthday," with what it takes each month to get there • What spending now really costs, once you count the interest that money would have earned • Withdrawal requests sent to a parent for approval, right from the app • A personal color and portrait for each member EVERYWHERE THEY LOOK • Home Screen and Lock Screen widgets for your balance and your nearest goal • An Apple Watch app with complications, so a goal ring creeping toward that bike is never more than a glance away • Ask Siri for a balance, your interest, or how a goal is going • Designed for iPad as well as iPhone ONE LEDGER FOR THE WHOLE FAMILY Balances, goals and history are the same on every device and for everyone in the household. Show money in US dollars, Canadian, Australian or New Zealand dollars, pounds, euros, rupees or pesos. HOW IT WORKS MyCache is a record that parents keep - it doesn't hold, move or invest real money, and it never connects to a bank account. The money is wherever your family keeps it; MyCache keeps the books and does the math.
Written user reviews are not shown here. Check current App Store reviews >
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.
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.
Not assessed in a Build Kit yet.
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.