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.
Three movements
$3.99
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.
Kit ready. Verify your email to download it.
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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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.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Three movements. Twenty minutes. One number at the end. Cindy is the benchmark that needs nothing but a pull-up bar: 5 pull-ups, 10 push-ups, 15 air squats, as many rounds as possible before the clock runs out. It is the routine Tom Holland used to build his Spider-Man physique, and his best is 27 rounds. That is 135 pull-ups, 270 push-ups and 405 squats in the time it takes to watch a sitcom. ONE TAP PER ROUND Finish your reps, hit the button, keep moving. No counters to fiddle with while you are breathing hard. The timer counts down from 20:00 and every round is timed automatically. KNOW YOUR PACE MID-EFFORT See the split for your last round, your running average, and the round count your current pace projects to at the buzzer. Rotating coaching lines push you through the middle stretch where most attempts fall apart. FOUR PROGRAMS Run the full benchmark, a 10-minute sprint version, a scaled 3-6-9 build for anyone still working toward strict pull-ups, or a doubled edition for when the original stops hurting. PROGRESS YOU CAN SEE Best ever, rolling average, total reps broken down by movement, calories, and a chart of every attempt plotted against the 27-round line. Watch the gap close session after session. APPLE HEALTH Each finished attempt is saved as a workout with its duration and active energy. Heart rate and calories come straight from your watch when you are wearing one. FORM STANDARDS INCLUDED Chin over the bar. Chest to the floor. Hip crease below the knee. The built-in guide covers what counts as a rep, how to scale each movement, and where your score puts you. PRIVACY BY DEFAULT No account. No ads. No tracking. No servers. Your sessions never leave your device, and Health data is read and written on-device only. Buy it once. iPhone and iPad included. No subscription, ever. Cindy is a classic CrossFit benchmark workout. This app is not affiliated with, endorsed by, or sponsored by CrossFit, Marvel, or Tom Holland. Warm up, scale to your level, and consult a physician before starting any exercise program.
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.