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.
MyBonds is the simplest way to know what your U.S
$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.
First kit free with a verified email
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.
Rork plan preview for MyBonds: 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: Limited bond options and information
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Transaction history lacks filters
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: User interface feels outdated
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchase confusion
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.
MyBonds is the simplest way to know what your U.S. Savings Bonds are actually worth — without a trip to the bank or a visit to TreasuryDirect. Enter your bonds once, and MyBonds handles the rest. Values update automatically every month. MyBonds features: • Series I, EE, and E valuations • Unlimited bonds and portfolios • Automatic monthly value updates • Correct valuation during a bond's holding period • Current Series I interest rate display • Standard paper bonds denominations • Custom investment amounts, just like TreasuryDirect • Printed reports via AirPrint • Secure PIN lock screen with industry-standard encryption • Dark mode support Organize your holdings your way. Create as many portfolios as you need — by owner, by series, or however makes sense to you. You can also build virtual portfolios to see how different bond combinations would perform side by side. New to the app? MyBonds starts you off with example portfolios for each bond series so you can get a feel for things right away. Download the free MyBonds Screen Guide — available in PDF and ePub — from within the app. Note: MyBonds provides valuations based on U.S. Treasury data. For official redemption values, consult your bank or TreasuryDirect. Questions or feedback? We answer every message at [email protected].
Written user reviews are not shown here. Check current App Store reviews >
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.