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.
Buying a car is a big deal
Free
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.
Buying a car is a big deal. How do you know which one to choose, what to pay, or what problems to watch for? Meet Otto, your AI car-buying expert. Otto helps you find the right car, spot possible problems, and get a fair deal. Just ask. TALK TO OTTO Talk to Otto like you would a friend. Tell it what you need: “I need an SUV under $20,000 with three rows and good gas mileage.” Otto finds cars that fit, explains the pros and cons, and answers your questions. Even the ones you might feel shy asking a salesperson. SCAN ANY LISTING Found a car you like? Paste the listing link or enter its VIN—the car’s ID number. You can also describe the car. Otto checks the details and gives you a clear report on that car. OTTO’S TAKE Each report starts with a letter grade and a clear take on the car. Then Otto explains why: • How the price compares with similar cars • Whether the miles on the car are a concern • Common problems for that model and year • Recall, title, and car history details, when available • Battery health details for electric cars and hybrids, when available • What looks good and what needs a closer look Plain words. Clear answers. No car knowledge needed. BUY, OR WALK AWAY You shouldn’t have to be a car expert to make a smart choice. Otto helps you see the good and the bad before you buy. You’ll know what to ask about and whether to move forward or keep looking. LET OTTO DO THE TALKING Found the one? Otto helps you ask for a better price. It builds a plan for that car, helps you decide what to offer, and tells you when to stand firm. Paste in the dealer’s reply, and Otto helps you write back. You don’t have to figure out what to say on your own. WHO OTTO IS FOR Buying your first car? Helping your teen find one? Have ten listings open and no idea which to choose? If car shopping feels stressful, Otto is the friend who knows cars. OTTO+ Unlock Otto’s full set of tools with an Otto+ subscription. Plans may include weekly or yearly options. You’ll see the price and plan details before you buy. Payment will be charged to your Apple ID account. Your subscription renews automatically unless you cancel at least 24 hours before the current billing period ends. You can manage or cancel your subscription in your App Store account settings. - - - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.