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
Earthquake 3D
Zoom and spin your way around the world with this fully immersive 3D Earthquake display app
$6.99 · In-app purchases
PRICE
$6.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.7
76 ratings · Top 50%
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/
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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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Earthquake 3D: map the core News 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
Add social sharing and commenting on earthquake details.
Assumption to check: Limited user engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Create a more user-friendly toggle for notifications.
Assumption to check: push notification settings can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Implement real-time data fetching for recent earthquakes.
Assumption to check: Inconsistent data updates
Validate with people who use this workflow before building.
Hypothesis 4
Enhance with a global earthquake map and filter options.
Assumption to check: Limited geographical coverage
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
Zoom and spin your way around the world with this fully immersive 3D Earthquake display app. Earthquake 3D uses animated graphics to show you the "big picture" and visualize large amounts of Earthquake data quickly and easily. Go where no seismogram has gone before with a fascinating and mesmerizing look at the world's Earthquakes. - Eight different Earth display types that include population and tectonic plate maps. - Four different custom view 'presets'. - Solid and wire frame 3D views with transparent Earth ability. - A Sequencer that shows Earthquakes as they occurred using animation loops. - Control Speed, Decay, and Sound of Earthquake sequencer loops. - Includes 4000+ years of Historic Earthquake information. - Data from USGS, European EMSC, British Geological Survey, and New Zealand Geonet. - Current worldwide Volcano activity display.. - Includes DEX depth visualization. - Individual quake indicator 'flags' that show magnitude or depth. - Tap on individual indicator 'flags' to show details for each Earthquake. - Earthquake details include Local Maps, Local News, and Advanced Seismic Information. - Can import up to four external Earth images that are supplied by the user. - Uses "point and drag" to position and spin the Earth. Uses "pinching" for zoom. - Filter Earthquakes by magnitude and age with slider controls. - Earthquake angle indicators. - Automatic Refresh Timer - Retina enabled. - And much more... In addition to providing several 'live' sources of current Earthquake information, an Atlas database is also included. The Atlas database shows over 4000 years of Historic Earthquake information. This database (updated periodically) is built-in to Earthquake 3D and is available even when you are off-line. This edition of Earthquake 3D represents a third generation of this very popular computer program. Started in 2003 as a desktop application, it has become a widely adopted standard for video presentations and visualizations of Earthquake information. This latest edition brings new features and updates to this modern classic. Whether you are exploring the geo sciences, or you just want to find out if you felt that last quake, this app will keep you up to date with the latest Earthquake information.
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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.
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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.
