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
Pompeii - A day in the past
Attention: after downloaded the APP, open it do donwload the media content!
$4.99 · In-app purchases
PRICE
$4.99
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 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 Pompeii - A day in the past: map the core Travel 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 AR features for immersive experiences.
Assumption to check: Limited interactivity compared to real-world exploration
Validate with people who use this workflow before building.
Hypothesis 2
Enhance navigation with a guided tour feature.
Assumption to check: Navigation can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Add social features for sharing experiences and reviews.
Assumption to check: Lack of user engagement options
Validate with people who use this workflow before building.
Hypothesis 4
Offer more value in free features to encourage upgrades.
Assumption to check: In-app purchases may deter users
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
Attention: after downloaded the APP, open it do donwload the media content! Audio and text in 7 languages, Italian, English, Spanish, French, German, Russian a Portugues. Thanks to the GPS you can freely visit the city of Pompeii ruins in all its beauty, making you drive through the streets of over 2000 years ago. The list of points can be ordered alphabetically and by distance from your position. Do not miss a single detail, visit the immortal city in the best possible way. Pompeii, the stunning place! Pompeii A day in the past is completely new: the Planet Pompeii APP with map, itineraries and audio guide will accompany you on your visit, making you appreciate all the ancient beauty of this unique place. Over 60 points of interest complete with text, images, reconstructions and AUDIOGUIDE. Given the breadth and wealth of attractions of Pompeii, the guide provides you with an indispensable tool to optimize your experience with different types of visits: • SUGGESTED PATHS You can choose freely between many suggested itineraries: - From Porta Marina to the Forum - From the Forum to the House of the Vetti - The Theatre District - From the Forum to the Villa of Mysteries - From Porta Vesuvio to Porta di Nola - Via dell'Abbondanza - From Porta Nocera to the Amphitheatre ..and more • PATHS IN TIME Three paths to visit according to the time available: - 2 hours visit - 4 hours visit - 3 hours visit - Theatre district - Eros tour - Pompeii for everyone • MAP Free visit geolocalised Also you can: • Know The History of ancient Pompeii • See th list of POI sorted by distance • Have on hand all useful information related to the ruins of Pompeii
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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
React Navigation
Axios
React Native Maps
Firebase
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.
