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.
Halo - Your Personal Budget and Bills Tracker
$1.99 · 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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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 Halo - Budget & Bills Tracker: 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 hard to categorize transactions accurately.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Bill reminders can be inconsistent or unreliable.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of visual progress tracking for budgets.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited customization options for categories.
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.
Halo - Your Personal Budget and Bills Tracker Take control of your money, all in one place. Halo gives you a clear, real-time picture of your net worth, from your bank accounts and investments to your loans and credit cards. What you can track: AUTOMATIC EXPENSE LOGGING WITH APPLE PAY — Tap to Pay with your iPhone and Halo writes the expense down for you: amount, merchant, and card, logged the moment you tap. A guided two-minute setup gets you started, each card links just once, and every payment after that is recorded automatically — to your credit card, debit card, or e-wallet. ASSETS AND SAVINGS - Add all your bank accounts and customize how they look with logos and colors. Watch your net worth grow day by day with automatic snapshots, a balance trend chart, and a live change indicator that updates every time you open the app. Track your savings goals with Halo rings or view them as a to-do list. INVESTMENTS - Connect your stock portfolio and see real-time prices from US markets and crypto. You can add stocks outside of the US and edit prices manually. Track your all-time gain/loss, today's movement, and your full position history. Share your progress with beautiful portfolio cards! EXPENSES - Log personal expenses by category and see exactly where your money goes each month. Pay from a bank account or charge to a credit card and your balances update automatically. Put budget caps on each category and see if you still have room to spend. A calendar view shows your daily spending plus money in and out of your accounts — filter by inflow, outflow, or both. BILLS AND SUBSCRIPTIONS - Set up recurring bills with flexible schedules and optional end dates. Get alerts when something is overdue or coming due soon, and mark bills as paid directly from any account or credit card with a single tap. Push notifications remind you a week ahead, the day before, and on the day itself if a bill is not yet paid. TRIP & GROUP EXPENSES - Planning a trip? Create a trip to group your personal expenses and bill splits together. Set the trip's currency and expenses logged during the trip — including Apple Pay payments — are recorded in that currency and organized under the trip automatically. See the full spend, who owes what, and share a clean summary card straight to your group chat. No more awkward "Who owes me again?" moments. CREDIT CARDS & LOANS - Track credit card balances, utilization, and billing cycles alongside your loans and mortgages. Record payments that instantly reflect across your accounts and net worth. More to offer: A widget that does the talking - Glance at today's net worth change right from your home screen. The Halo widget updates every 30 minutes, and bills can be marked as paid straight from the widget — no need to open the app! Log expenses, deposits, and bill payments by voice or with the Shortcuts app — without opening Halo. Built for Southeast Asia and the world - PHP-first with support for USD, CAD, SGD, MYR, IDR, VND, HKD, JPY, KRW, EUR, GBP, AUD, AED, SAR, THB, TWD, KWD, NZD, BHD, CNY, OMR, QAR, INR, NIO, MXN, LBP, CRC, and PLN. Switch your base currency anytime and every number recalculates instantly. Your data, backed up - Export a full backup of your financial data anytime and restore it on any device. Halo also checks your data's health automatically and can repair issues with one tap — keeping a full safety copy first. YOUR DATA STAYS ON YOUR DEVICE Halo stores everything locally. No account required, no data uploaded to any server, no ads. Your finances are yours. Halo is built for personal use. It is not a bank and does not connect to financial institutions. Halo is designed for simplicity — just a clean tool to help you stay on top of your money.
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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.