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
Coinrule Crypto Trading Bot
Coinrule is a software platform that helps investors build automated investment strategies across Stocks, Cryptocurrencies and ETFs
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
17 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 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 Coinrule Crypto Trading Bot: 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
Provide advanced customization and templates for strategies.
Assumption to check: Limited customization options for trading strategies.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the onboarding process and offer guided tutorials.
Assumption to check: User interface can be overwhelming for beginners.
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate live data feeds to enhance user experience.
Assumption to check: Lack of real-time data updates.
Validate with people who use this workflow before building.
Hypothesis 4
Implement a robust help center and chatbot for immediate assistance.
Assumption to check: Insufficient customer support 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
Coinrule is a software platform that helps investors build automated investment strategies across Stocks, Cryptocurrencies and ETFs. Our user-friendly interface makes it easy for beginners and pros to view their portfolios, navigate and manage their trades. Our advanced security measures keep your investments safe and secure. Coinrule runs on top of the largest exchanges including Binance, Alpaca, OKX, Kraken, Coinbase Advanced and KuCoin. You can build strategies across multiple platforms from one convenient location. Some key features of Coinrule include: Automated crypto trading: Set up rules for buying and selling based on your desired conditions, and let our rule engine handle the rest. All trades execute on underlying exchanges Custom alerts: Stay up-to-date on market movements and make informed decisions with customizable alerts. Portfolio tracking: Keep track of your portfolio's performance and analyze your trades to optimize your strategy. Multiple exchange integration: Connect to multiple exchanges and trade across them all from one platform. Advanced security: Protect your investments with top-level security measures, including two-factor authentication. Download the app now and start your journey with our powerful crypto bots. Terms and Conditions: https://coinrule.com/terms.html Privacy Policy: https://coinrule.com/privacy.html Do you have any questions or suggestions? Please send them to [email protected]
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
Redux
react-navigation
@supabase/supabase-js
BUILD KIT DIFFICULTY
Advanced
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.
