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
Explosives Comp Reference
Explosives Compatibility puts compatibility group data and storage co-location rules for explosives and munitions in one fast, searchable app
$12.99 · In-app purchases
PRICE
$12.99
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
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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 Explosives Comp Reference: map the core Business 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
Focus on user feedback and make improvements based on user testing.
Assumption to check: Lack of user reviews and ratings may indicate poor usability or features.
Validate with people who use this workflow before building.
Hypothesis 2
Expand database of explosives and include user-generated content.
Assumption to check: Limited content may restrict user engagement.
Validate with people who use this workflow before building.
Hypothesis 3
Offer a free trial or limited free version to attract users.
Assumption to check: High initial cost may deter users from purchasing.
Validate with people who use this workflow before building.
Hypothesis 4
Provide clear explanations and value for in-app purchases to enhance user trust.
Assumption to check: In-app purchases may be unclear or poorly implemented.
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
Explosives Compatibility puts compatibility group data and storage co-location rules for explosives and munitions in one fast, searchable app. Quickly check which compatibility groups can be stored together, reference hazard classifications, and support safe storage planning decisions -- all without needing a signal. Key features: - Full offline access -- no internet connection required once installed - Fast search across compatibility groups and storage rules - Clean, mobile-friendly layout for quick field reference - No ads, no account required, no data collection This app is an independent reference tool built for ammunition surveillance personnel, magazine supervisors, and safety officers who need a quick compatibility-group reference in the field. It is not affiliated with, endorsed by, or sponsored by the Department of Defense or any government agency. Always confirm current requirements against official published guidance and site-specific storage plans before making storage decisions
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
Axios
React Navigation
Async Storage
shadcn/ui
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.
