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
BattleCrypto
Watch a live crypto market fight itself.
$2.99
PRICE
$2.99
No 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/
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.
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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.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Watch a live crypto market fight itself. Battle Crypto turns real order flow into a battlefield. Buyers advance from the left, sellers from the right, and the glowing line between the two armies is the price. When the buyers push that line to the right, the market is going up — you are watching it happen, not reading it off a chart. It is a way of watching a market, not a way of trading one. Battle Crypto shows you public market data and nothing else. There is no account, no wallet, and nothing to buy. Every soldier on the field is a real order. · Infantry — trades under $10,000 · Heavy armour — trades of $10,000 and up · Air strikes — orders over $100,000 call in jets for the buyers, gunships for the sellers · Transports — large transfers moving on the XRP Ledger itself PICK YOUR WAR The same live order flow, fought in five eras. Modern armour and gunships. Napoleonic muskets, field cannon and a cavalry charge. Civil War infantry and sabre cavalry. The 1875 frontier. Or ships of the line trading broadsides across open water. The tiers hold in every one — only the army changes. SIX MARKETS, ALL FREE XRP, BTC, ETH, DOGE, XLM and SOL — every one of them open, with no account and no purchase. Trades and prices come live from Coinbase's public feed. For XRP it also reads the XRP Ledger directly — real ledger closes, real on-chain volume, real DEX orders taking position. WHAT YOU CAN DO Switch market or era whenever you like. Pause the battle and let it resume. Reset the session and watch it build again. Go full screen and leave it running on a second screen. A scoreboard tells you plainly who is winning and by how much, ground held is marked on the field, and a war log prints the real trades as they cross the tape. No ads. No tracking. No analytics. No account. Your device talks to the public market feeds directly and sends us nothing. Battle Crypto is a visualization, not a trading tool. It cannot buy, sell, exchange or hold cryptocurrency, cannot place orders, holds no funds or keys, and is not investment advice. It is not affiliated with Coinbase, Ripple, or any exchange.
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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
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.
