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.
RECORD THE SESSION
$9.99
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.
RECORD THE SESSION. KEEP THE SWINGS. Tap Record a session and hit balls. Impact Reel films with the back camera at the highest frame rate your iPhone supports (for example 1080p at 240 fps on recent iPhones), with sound, then listens for each ball strike and cuts one clip around every swing. Already filmed a range video? Choose it from Photos instead. Likely swings come first; uncertain ones wait in their own tab, so nothing is lost. Everything stays on your iPhone: no account, no subscription. IF YOU FILM YOUR RANGE SESSIONS AND NEVER WATCH THEM Finding the swings in a long video is the reason most people stop filming, and a separate clip for every ball slows your practice. Record the whole session once then load your video and start watching right away. Skip the hits you don't want, save the rest to a Photos album for the session. IF YOU ARE NEW TO GOLF AND SHORT ON TIME Watching your own swing is one of the fastest ways to improve, but nobody wants to scrub through a whole session. Every swing is already a picture in the list. Tap one, step through it frame by frame, slow it down, or put lines on it. Make a Swing Sequence to show your friends or coach. ADD A TRACER IN A FEW STEPS Mark the ball at address, two frames just after impact, the apex and the landing, and the tracer follows the flight. Choose a line, a highlight or a follow trail, and nudge any point with the arrows. IF YOU ARE LEARNING YOUR OWN SWING, OR HELPING SOMEONE ELSE'S Mark up your practice video without learning a complicated tool. Ready-made lines for the shaft start, the feet and the head ring, a vertical line, and lines of your own with color, width and line ends; apply them to every clip in a session. Add a note to any swing, star the ones worth keeping, and see the change over weeks in your Saved Swings. Left-handed? Every menu swaps sides. SAVE IT. SEND IT. Save a clip plain, with its markup, or as a replay that plays clean and then again with the lines. A plain clip is cut straight from your video with no re-encoding: full quality and resolution. PRIVATE, AND PAID ONCE Your video is processed on your iPhone. No account, no ads, no tracking, nothing uploaded. One purchase, every feature included, no subscription. Lines and tracers are visual aids, not measurements. Swings are found by hearing the strike, so it works best with video filmed close to the golfer. You review every clip before it is saved.
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.