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
Realtime Crypto Price
Stay ahead in the crypto market with our intuitive app designed exclusively for the Apple Watch.
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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/
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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 Realtime Crypto Price: 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 customizable dashboard with widgets for key metrics.
Assumption to check: Users find it hard to track multiple cryptocurrencies efficiently.
Validate with people who use this workflow before building.
Hypothesis 2
Use WebSocket for real-time updates to ensure accuracy.
Assumption to check: Real-time data may be lagging or not accurate.
Validate with people who use this workflow before building.
Hypothesis 3
Add portfolio management features like tracking profits/losses and asset allocation.
Assumption to check: Limited ability to manage portfolios directly in the app.
Validate with people who use this workflow before building.
Hypothesis 4
Include customizable price alerts for each cryptocurrency.
Assumption to check: Users want alerts for significant price changes.
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
Stay ahead in the crypto market with our intuitive app designed exclusively for the Apple Watch. REAL-TIME BITCOIN PRICES Monitor Bitcoin prices with up-to-the-second updates from Binance. DYNAMIC TREND TRACKING Visualize price movements over time with elegantly designed charts. Yes, it finally enables you to have a Binance based chart inside your favourite watch face! TRADE-BY-TRADE VIEW Instantly loads the last 1,000 trades and updates every 0.5 seconds. The top 1% of largest trades are highlighted with subtle markers, and bubble sizes scale with volume—a bubble half the size of the largest indicates roughly half the trade volume. ULTIMATE CHART CUSTOMIZATION Personalize each currency pair's chart with a rich selection of color gradients to create a unique look. CLEAR UPDATE INDICATORS Know the exact update time with visual cues, so you're always in the loop. OPTIMIZED FOR APPLE WATCH Designed for efficiency and ease-of-use on your wrist, ideal for both seasoned traders and crypto enthusiasts. Apple Watch is a trademark of Apple Inc., registered in the U.S. and other countries.
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
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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.
