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
Market Mirror
Market Mirror gives you the same market intelligence that whale traders use: real-time sentiment analysis, whale trade tracking, liquidation maps, and an AI assistant that remembers your strategy.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
69 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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included18 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 Market Mirror: 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 automatic transaction import from bank accounts.
Assumption to check: Users often find manual entry tedious for transactions.
Validate with people who use this workflow before building.
Hypothesis 2
Add more dynamic charts and analysis tools.
Assumption to check: Limited visualization of investment performance.
Validate with people who use this workflow before building.
Hypothesis 3
Offer additional features in the free tier to retain users.
Assumption to check: Paywall may limit user experience after initial free trial.
Validate with people who use this workflow before building.
Hypothesis 4
Improve navigation flow and add guided tours.
Assumption to check: Users report difficulty navigating between sections.
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
Market Mirror gives you the same market intelligence that whale traders use: real-time sentiment analysis, whale trade tracking, liquidation maps, and an AI assistant that remembers your strategy. REAL-TIME MARKET INTELLIGENCE - Market Pulse — a proprietary sentiment gauge that weighs 8 live data inputs including whale activity, liquidations, funding rates, and social sentiment into one clear signal - Fear & Greed Index — know the market mood instantly - ETF Flow tracker — see where institutional money is moving - Price predictions powered by crowd consensus - PnL cards — track your portfolio performance WHALE TRACKING - Watch whale trades as they happen — longs, shorts, and massive position changes - Track famous wallets including exchanges, funds, and legendary traders - Save up to 25 wallets and get alerts when they move - Whale positions dashboard — see where the big money is sitting LIQUIDATION MAPS - Visualize liquidation levels across every major coin - Spot cascade zones before they trigger - The same data institutional desks pay thousands for — in your pocket ORCA AI — YOUR TRADING ASSISTANT - Ask anything about the market and get answers backed by live data - Orca pulls from real-time whale trades, sentiment, liquidations, and news — not just generic knowledge - Market Memory — Orca remembers your trading style and strategy across conversations (Megalodon) - Up to 150 AI chats per day COMMUNITY - Timeline — post market takes, share charts, and build your reputation - Group chats with @mentions and reply threads - Direct messages with voice notes, images, and GIFs - Follow top traders and see what they're watching - The Deep — an exclusive alpha group for Megalodon members 30+ PREMIUM TRADING WIDGETS (Megalodon) - Build a custom dashboard with drag-and-drop widgets - Whale activity, liquidation data, sentiment gauges, price trackers, and more - The dashboard Wall Street wishes they had COURSES & EDUCATION - Learn from experienced traders - Video courses covering technical analysis, risk management, and market psychology NEWS & ANALYSIS - Curated crypto news from top sources - Full article reader — no clickbait, no ads - Social sentiment analysis — see what the crowd is saying about any coin THREE TIERS — START FREE - Free — Market Pulse, Fear & Greed, ETF Flows, 5 Orca AI chats/day, community access - Whale ($9.99/mo) — unlimited whale trades, full liq maps, 50 Orca/day, all themes, 10 tracked wallets - Megalodon ($29.99/mo) — 30+ widgets, 150 Orca/day with memory, The Deep, courses, 25 wallets, Killer Whale theme Save 30% with annual billing. Built by traders, for traders. No ads. No data selling. Just alpha. Terms of Use: https://marketmirror.com/terms Privacy Policy: https://marketmirror.com/privacy
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.
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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.
