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.
App Overview
Accounting Book - MyAsset V2
MyAsset - My Accounting Book is a simple but useful accounting app;
$9.99 · In-app purchases
PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
4 ratings · Top 5%
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Accounting Book - MyAsset V2: 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Implement a simpler onboarding flow with guided tutorials.
Assumption to check: Complicated user onboarding process
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to customize categories and set recurring transactions.
Assumption to check: Limited customization options for transactions and budgets
Validate with people who use this workflow before building.
Hypothesis 3
Add detailed analytics and trends for spending patterns.
Assumption to check: Lack of advanced reporting features
Validate with people who use this workflow before building.
Hypothesis 4
Implement cloud storage for data backup and sync across devices.
Assumption to check: No cloud sync or backup options
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
MyAsset - My Accounting Book is a simple but useful accounting app; you can manage individual finance easily You can also check your daily or monthly income-expense anytime and anywhere;in addition, you can control your personal asset and liabilities. Subjects a clear distinction between the accounts of assets, liabilities, income and expenditure, the full account of all the money flows, understand exactly what all of your personal assets and liabilities A single screen showing the full monthly payments, assets, liabilities and net assets. 【HIGHLIGHTS】 √ Daily income and expenditure records √ Wisdom to select common subjects √ Multi-currency account management √ Checked statement √ Assets, liabilities, income, expenditure management。 √ Stocks, funds, foreign currency, virtual currencies, credit card management √ Account group (setting Multi-level sub-accounts)。 √ Summary of management, keyword and Advanced Search。 √ View daily details, weekly expense, monthly expense, total assets。 √ Budget control √ Scheduled records。 √ passcode Touch ID protect。 √ Backup&Restore。 (Dropbox & iCloud supported) √ Financial chart。 (export PDF) √ Simple Calculator。 √ data export。 √ Multiple Accounting books √ Month Start day setup √ Data export to csv file √ Support Traditional Chinese/Simplified Chinese/English/Japanese √ UI Styles select √ Function continues to increase... 【How to record】 ＊ Cash Pay ＊ Paid:E-Meal From:A-Cash Money:50 ＊ Credit card Pay ＊ Paid:E-Clothes From:L-Credit Card Money:500 ＊ Money to pay credit card ＊ Transfer:L-Credit Card From:A-Cash Money:500 ＊ Salary ＊ Transfer:A-Bank From:I-Salary Money:20,000 ＊ withdraw ＊ Transfer:A-Cash From:A-Bank Money:2,000 ＊ Lend money to friend ＊ Transfer:A-Receivable From:A-Cash Money:2,000 ＊ Friend to pay back the money ＊ From:A-Cash Transfer:A-Receivable Money:2,000 * exchange exchange * To: A-Foreign .JPY From: A-Cash Import Money: ￥29,800 Export Money: 1,000
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Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
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BUILD KIT DIFFICULTY
Intermediate
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.
