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
Pressed Coins 4 DLR
You travel to the Disneyland Resort and you want a pressed coin, but you cannot for the life of you find a pressed coin machine
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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 included17 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 Pressed Coins 4 DLR: map the core Shopping 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
Offer advanced tracking features like value appreciation over time.
Assumption to check: Limited coin tracking features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Include social features to connect with other collectors.
Assumption to check: Lack of social features for sharing collections
Validate with people who use this workflow before building.
Hypothesis 3
Introduce a freemium model to attract more users.
Assumption to check: High cost for a small user base
Validate with people who use this workflow before building.
Hypothesis 4
Implement push notifications for new marketplace listings.
Assumption to check: No notifications for new coin listings
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
You travel to the Disneyland Resort and you want a pressed coin, but you cannot for the life of you find a pressed coin machine. Well, those days are over with the Pressed Coins 4 DLR app! Search for pressed coin machines throughout the Disneyland Resort! The advanced machine search feature allows you to search by User Location, Places, Area, Resort and Type. The ‘Other’ category is currently unused. There are two major views for your machine searching pleasure: 1. A list view, listing coin machines matching your search criteria. Touch on the machine and machine details are displayed, including Coins. Tap on a coin view and go into the Coin Details view, displaying details about the particular coin. 2. A map view, which shows annotations at the locations of machines matching your search criteria. Tap on the annotation text to show machine details as with the list view. You can also search for coins by Title, Collection and Description. Example, you want to find all coins with the word ‘Santa’ in the title. Just search for ‘santa’ in Title and the available coins will be shown to you. Tap on a particular coin to be shown the machine which has that coin. An iCloud account is not required to save Saved Coins, but is required to sync Saved Coins to other devices. Besides every coin machine at the Disneyland Resort, other coin machine locations include California Adventure Park and Downtown D. If you have any issues with the app, please contact us. We want to know if there are coin machines out of service as quickly as possible. We cannot guarantee the accuracy of the data completely as things may change suddenly. We will periodically check the machine and coin data and amend our records accordingly, but you can also help out by informing us when things are different. If you find any problem with the user interface (UI) specifically, email CodeSpyder and include a screenshot of what you are seeing. Thanks! Look for our companion app, 'Pressed Coins 4 WDW'! Follow @CodeSpyder on Twitter! Please join Chris Johnson at the ‘Disney Coin Pressers’ group on Facebook! This app is not affiliated with the Disney Company or any of its subsidiaries. All coin images were taken by our Coin expert.
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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
@react-navigation/native
axios
expo-image-picker
react-native-paper
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.
