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
TorchVault
TorchVault Lighter Collection Manager
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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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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/
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.
// RORK SYSTEM PROMPT
Rork plan preview for TorchVault: map the core Utilities 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
Expand support for various file types like PDFs, images, and more.
Assumption to check: Limited file formats supported for document storage.
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate a reminder feature for backups.
Assumption to check: Users may forget to backup documents.
Validate with people who use this workflow before building.
Hypothesis 3
Provide an integrated scanner for added convenience.
Assumption to check: No built-in document scanning features.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a freemium model with basic features available for free.
Assumption to check: Paid features can limit user base.
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
TorchVault Lighter Collection Manager Every serious collector deserves a serious app. TorchVault is built exclusively for lighter collectors, a focused, no nonsense way to catalog, value, and showcase everything in your collection. Log each lighter with photos, brand, year, finish, condition, notes, and dedicated theme and series fields for deeper cataloging. Accessories belong here too, log books, fluid cans, knives, inserts, and more alongside your lighters. Browse in a clean list or a rich photo grid. Record what you paid and what it is worth today in your currency, then export a full PDF catalog, every item, every detail, print ready. Full photo support with gallery per lighter List and grid views for browsing your collection Record purchase price and current estimated value Multi currency support: USD, EUR, GBP, CAD, PLN, and JPY Catalog lighters and accessories in one collection Theme and series fields for precise cataloging Mark favorites and flag items for sale Filter, sort, and search instantly Export a complete PDF catalog Back up and restore your collection via AirDrop or Files One time purchase, no subscription, no ads TorchVault keeps your collection exactly where it belongs, documented, organized, and always in your pocket.
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.
SUGGESTED BUILD STACK
React Native
Expo
TypeScript
Firebase
React Navigation
@react-native-async-storage/async-storage
BUILD KIT DIFFICULTY
Starter
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.
