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
Merci Boy Distilling
Meet Merci Boy Distilling — your pocket companion for planning, tracking, and sharing craft-spirit projects
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
4 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 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.
// RORK SYSTEM PROMPT
Rork plan preview for Merci Boy Distilling: 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
Add advanced calculation options and detailed guides.
Assumption to check: Limited features for advanced distillation calculations
Validate with people who use this workflow before building.
Hypothesis 2
Implement recipe sharing and user rating features.
Assumption to check: Lack of community feedback or sharing options
Validate with people who use this workflow before building.
Hypothesis 3
Provide clear explanations of in-app purchase benefits.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Enable offline usage for calculations and saved recipes.
Assumption to check: No offline functionality
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
Meet Merci Boy Distilling — your pocket companion for planning, tracking, and sharing craft-spirit projects. Whether you’re building a new batch or swapping tips with friends, the app keeps your process organized and your community close. What you can do Batch Builder: Choose grain/fruit bases and scale batch size; auto-calculate water, sugar, and yeast targets. Cuts Calculator: Plan foreshots, heads, hearts, and tails by jar with adjustable percentages and totals. Dilution Calculator: Enter current ABV/proof and target; get precise cut-water amounts instantly. Good Boy Favs: Save and rename your go-to recipes for one-tap reuse. Community Feed: Post photos, notes, and wins; like and comment to learn from others. Tips & Recipes Sections: Browse curated how-tos and community-shared formulas. Profile: Set a display name, track your posts and saves, and keep your favorites synced. Barrel Game (just for fun): A lighthearted mini-game to pass the time between steps. Thoughtful details Fast entry: Smart defaults and reusable templates speed up planning. Offline-friendly basics: Core calculators work even with spotty connections; sync resumes when you’re back online. Privacy-minded: Sign in to back up your profile and favorites; your content remains yours. Notes Merci Boy Distilling is for planning and education only. Always follow local laws and safety guidelines. If you craft it, we help you plan it—build smarter, share proudly.
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
React Navigation
React Native Async Storage
TypeScript
Shadcn/UI
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.
