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.
TravelSheet is your smart packing list for travel
$2.99 · 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.
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Combine features and design from your favorite apps.
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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.
TravelSheet is your smart packing list for travel. Instead of typing every list by hand, you pick activities, and the matching items land in your packing list automatically. How it works: Create a trip, enter dates, destination and travelers, and choose your activities. TravelSheet assembles the packing list for you, basics like documents, toothbrush and chargers are always included. Then just check off what's in the suitcase. Packing together: • Share a trip with everyone travelling with you. Each person checks off their own things on their own iPhone, across separate Apple Accounts • No shared login and no account with us, sharing runs over iCloud • Whoever shares is told in the same moment that documents and notes become visible to the others Activities with ready-made items: • Beach, hiking, skiing, city trip, camping, business, holiday home, flight, cruise, road trip, train journey, international (visa, adapter, vaccination certificate) and more • Every template has active items plus optional suggestions you can enable with a tap Quantities that think for you: • Items scale with trip length, for instance fresh underwear per day • Clothing is calculated per person group (men, women, children) and broken down by group • Laundry on site? One switch calculates for a single week and adds detergent • Mark glasses or contact lenses per person, cleaning kit and case are added Your own order: • Your own categories instead of ten fixed ones: create them, rename them, sort them yourself, and hide the built-in ones you never use • You decide the order of a trip's sections too • Group items by template, filter by category, mark any template item as always packed Your own templates: • Adjust existing activities or create entirely new ones • Set per item how often it's needed (once, daily, every few days) • Import existing lists (OPML, CSV, Markdown, text), anything you already have is recognized instead of duplicated On every screen: • Widgets in all four sizes. The large one checks items off without opening the app, the extra large one puts the packing list next to the checklist on iPad • Apple Watch: countdown, packing progress and the pre-departure checklist on your wrist, plus a complication for the watch face • Live Activity: on departure day the countdown and progress run on your Lock Screen • Siri: ask "What's still missing in TravelSheet?" or check items off by voice Around your trip: • Destination weather for your travel period (Apple Weather), and if rain gear is missing the app offers to add it • Pre-departure checklist: water the plants, take out the trash, close the windows, with its own reminders • Luggage: custom pieces with icons, and grouping the list by luggage shows you what's where • Weight: estimates per item, a total per piece and a limit, so no bag turns out too heavy • "Needs buying": flag missing items and filter them as your shopping list • Documents: any file, photo or PDF on the trip, by drag and drop too, plus text notes • Entry & customs for your home and destination country: papers, visa, vaccinations, duty-free allowances, sockets, emergency number • Default travelers with clothing size, and name, dates and location taken from a calendar event • Several reminders per trip, duplicate trips, archive and search them • Export as PDF, Markdown, CSV or text: what TravelSheet writes out, it reads back in Sync & privacy: • iCloud sync across iPhone, iPad and Apple Watch • File backup you can restore anytime, plus automatic safety snapshots before risky actions • No ads, no in-app purchases, no tracking • Your trips live in your private iCloud, no one else has access • Delete all your data completely at any time, including from iCloud Buy once, use forever. In fourteen languages, with Dark Mode, Dynamic Type and VoiceOver.
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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.