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.
Goodbye chaos, hello Family Operating SystemⓇ
Free · 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.
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 Trustworthy - The Family OS®: map the core Finance 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: Users often find it difficult to link bank accounts securely.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Some users report issues with transaction categorization accuracy.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited budgeting features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchase confusion regarding subscription tiers.
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.
Goodbye chaos, hello Family Operating SystemⓇ. Trustworthy keeps your important information organized, protected, and optimized so you can be prepared for all of life’s moments, enjoy peace of mind and celebrate your accomplishments. Everything in the right place. Trustworthy is the only app that gives you a single view of your important family information–family IDs, money, property, passwords, insurance, taxes, estate documents, emergency documents, and more. Say goodbye to disorganization and hello to knowing exactly where everything is. Everyone working together. Share your information with the right people at the right time. Trustworthy is the place where modern families collaborate, now and across generations. Every asset, beautifully organized. Trustworthy automatically arranges your information into a beautifully organized view that makes it easy to find what you’re looking for. No tagging, classification or thinking required. Advanced security for every family. Level up your family information security with Trustworthy, the online service for families that exceeds industry standards for security and privacy. Expert help, whenever you need it. Get the help you need to get organized–from an Expert. Your Trustworthy Expert can coach you on digital organization, help you find lost documents, and even set up your Family Operating SystemⓇ for you. Thousands of successful modern families use Trustworthy. Here is what they are saying: “I cannot even put into words how great it feels to know everything is here for my wife and family! We had so many files (paper) and I just scanned using the mobile app and BOOM done!” -David G. “Using Trustworthy made me appreciate how many different accounts, IDs, and important documents we have as a family. Now they’re all in one place, so wherever we travel, we can look them up instantly.” -Korina S. “I have been searching for something with a clean interface that made accessing my information easy for me, but also easy for my wife and family to understand.” -Sunaubh P. Privacy Policy: https://www.trustworthy.com/privacy Terms of Use: https://www.trustworthy.com/terms Trustworthy uses auto-renewing subscriptions. The subscription will be charged to your iTunes account at confirmation of purchase. Subscriptions will automatically renew at the end of your subscription period and will be charged through your iTunes account. Subscriptions renew automatically unless canceled at least 24 hours prior to the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can turn off auto-renewal at any time from your iTunes account settings. Cancellation of the current active subscription period is not allowed.
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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.