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
Danelfin: AI Stock Analysis
AI-powered stock analysis to help you invest with the odds in your favor.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 5.0
8 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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A product spec, screen plans, and build steps for your coding agent.
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What's included
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 Danelfin: AI Stock Analysis: 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
Incorporate more advanced analytics features and tutorials.
Assumption to check: Limited stock analysis compared to professional tools
Validate with people who use this workflow before building.
Hypothesis 2
Add forums or chat features for user interactions.
Assumption to check: No community features for discussions
Validate with people who use this workflow before building.
Hypothesis 3
Implement AI to suggest stocks based on user behavior.
Assumption to check: Lack of personalized recommendations
Validate with people who use this workflow before building.
Hypothesis 4
Enhance UI with better design elements and user experience improvements.
Assumption to check: Basic UI design
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
AI-powered stock analysis to help you invest with the odds in your favor. Danelfin rates every stock and ETF with one simple AI Score from 1 to 10: the higher the score, the higher the historical probability of beating the market over the next 3 months. Named Best Financial Research Company at the Benzinga Global Fintech Awards. AI-POWERED STOCK PICKING Every stock and ETF rated 1–10 daily. Those with the highest AI Scores (7 to 10) have historically had a higher probability of outperforming the market. 10,000 FEATURES ANALYZED PER STOCK, EVERY DAY Powered by Explainable AI processing 900+ technical, fundamental and sentiment indicators per stock, every single day. MARKETS: USA AND EUROPE US stocks, European main market stocks, and US-listed ETFs ranked daily by their probability of beating the market over the next 3 months. TRADE IDEAS WITH A PROVEN TRACK RECORD Stocks with a historical win rate of at least 60% for past Bullish signals since 2017. Filter by 1M, 3M, 6M or 1Y investment horizon. COMPARE STOCKS SIDE BY SIDE Put stocks or ETFs head to head and compare their AI Scores and Technical, Fundamental and Sentiment subscores to spot the strongest candidates. BUILD PORTFOLIOS. GET ALERTS. Track your portfolio's average AI Score and get daily alerts when the AI Scores of your holdings update. EXPLAINABLE AI. NO BLACK BOXES. All the data behind every score is transparent and easy to understand. Our AI calculates probabilities, not certainties. Make smarter, data-driven investment decisions with the odds on your side. Download Danelfin and check today's AI Scores. AI Scores are algorithmic indicators based on historical data and do not constitute financial advice. Past performance does not guarantee future results. SUBSCRIPTIONS Danelfin Plus, Pro and Elite are available as monthly or annual auto-renewable subscriptions. Prices are shown in the app before purchase. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel your subscription in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Danelfin Terms: https://danelfin.com/terms Privacy Policy: https://danelfin.com/privacy-policy
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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
Supabase
Zustand
Victory Native
React Navigation
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
