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.
Get things done! The award-winning Things app helps you plan your day, manage your projects, and make real progress toward your goals.
$9.99 · In-app purchases
Evidence scope: #56 is the current overall US Paid chart position. 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.
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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.
Rork plan preview for Things 3: map the core Productivity workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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.
Hypothesis 1
Assumption to check: Limited collaboration features for teams
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No recurring tasks functionality
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of robust search options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High one-time purchase cost
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Get things done! The award-winning Things app helps you plan your day, manage your projects, and make real progress toward your goals. Best of all, it’s easy to use. Within the hour, you’ll have everything off your mind and neatly organized—from routine tasks to your biggest life goals—and you can start focusing on what matters today. “Things offers the best combination of design and functionality of any app we tested, with nearly all the features of other power user applications and a delightful interface that never gets in the way of your work.” —Wirecutter, The New York Times KEY FEATURES • Your To-Dos Your basic building block is the almighty To-Do—each a small step toward a great accomplishment. You can add notes, tag it, schedule it, and break it down into smaller steps. • Your Projects Create a Project for any big goal, then add the to-dos to reach it. Use headings to structure your list as you outline your plan. There’s also a place to jot down your notes, and a deadline to keep you on schedule. • Your Areas Create an Area for each sphere of your life, such as Work, Family, Finance, and so on. This keeps everything neatly organized, and helps you see the big picture as you set your plans in motion. • Your Plan Everything on your schedule is neatly laid out in the Today and Upcoming lists, which show your to-dos and calendar events. Each morning, see what you planned for Today and decide what you want to do. The rest is down to you :) MORE THINGS TO LOVE As you dive deeper, you’ll find Things packed with helpful features. Here are just a few: • Reminders — set a time and Things will remind you. • Repeaters — automatically repeat to-dos on a schedule you set. • This Evening — a special place for your evening plans. • Calendar integration — see your events and to-dos together. • Tags — categorize your to-dos and quickly filter lists. • Quick Find — instantly find to-dos or switch between lists. • Magic Plus — drag the + button to insert to-dos anywhere in a list. • Share extension — create to-dos with content from other apps. • Widgets — see lists on your home/lock screens. • Mail to Things — forward an email to Things; now it’s a to-do. • Markdown — structure & style your notes. • And much more! MADE FOR IPHONE Things is tailored to the iPhone with deep system integrations as well. A great example is the Share extension, which allows you to create to-dos with content from other apps, such as a link to a website you want to get back to. You can also enjoy a beautiful dark mode at sunset, connect your calendars, add a variety of widgets, create to-dos via Siri, import from Reminders—Things can do it all! There’s even Shortcuts integration if you want to automate your workflows. MADE FOR APPLE WATCH Things comes with a great app for Apple Watch. Just raise your wrist to glance at your Today list, mark to-dos complete as you go, and dictate new ones on the fly—all synced instantly with your iPhone, iPad, and Mac. AWARD-WINNING DESIGN Made in Stuttgart, with two Apple Design Awards to its name, Things is a fine example of German engineering: designed not only to look fantastic, but to be perfectly functional as well. Every detail is thoughtfully considered, then polished to perfection. “It’s like the unicorn of productivity tools: deep enough for serious work, surprisingly easy to use, and gorgeous enough to enjoy staring at.” —Apple GET THINGS TODAY Whatever it is you want to accomplish in life, Things can help you get there. Install the app today and see what you can do! • Things is also available for Mac, iPad, and Apple Vision Pro (sold separately). • Sync is provided for free via our Things Cloud service. • A free trial is available for Mac: www.things.app If you have any questions, please get in touch. We provide professional support and will be glad to help you!
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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.