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
Wallet
wallet is the simplest and easiest way to keep track of and secure your most sensitive information
$9.99 · In-app purchases
PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
51 ratings · Top 15%
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 included15 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 Wallet: 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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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
Add more visualizations like charts and spending trends.
Assumption to check: Limited financial insights and analytics.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify budget setup with guided prompts.
Assumption to check: Difficult to set up budgets initially.
Validate with people who use this workflow before building.
Hypothesis 3
Implement robust cloud syncing with real-time updates.
Assumption to check: Inconsistent syncing across devices.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to create and customize their own categories.
Assumption to check: Lacks customization options for categories.
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
wallet is the simplest and easiest way to keep track of and secure your most sensitive information. think of wallet as your own flexible personal database, where you can store all of your web passwords, software license keys, credit card numbers, and more. wallet isn't just for passwords - wallet's flexibility allows you to create custom groups to organize other types of data, such as contacts, account numbers, and more. you can even attach individual files from your mac and view them on the go. features • simple & beautiful user interface designed for ease of use and accessibility • military-strength 256-bit aes encryption • create, edit and view both groups and entries • global search lets you find any information instantly • automatically log into web pages using your wallet info • view attachments (photos, pdfs, office documents, and more) • sync seamlessly with mac and ios devices (see below) • designed for iphone and ipad wallet for ios syncs wirelessly with multiple ios devices, as well as with wallet for mac (sold separately on the mac app store). • sync with mac and ios devices anywhere over-the-air using dropbox or your own webdav server • manually sync with your mac using wi-fi
Written user reviews are not shown here. Check current App Store reviews >
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
Supabase
TypeScript
React Navigation
Zustand
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.
