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
Creami: Ice Cream Recipes
370+ tested Ninja CREAMi recipes, and a calculator that tells you how a pint will freeze before you freeze it.
$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 included16 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 Creami: Ice Cream Recipes: map the core Food & Drink 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
Allow users to create custom recipes with unique ingredients.
Assumption to check: Limited recipe customization options.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a social sharing feature for users to share their favorite recipes.
Assumption to check: Lack of social features for sharing recipes.
Validate with people who use this workflow before building.
Hypothesis 3
Add a review and rating system for recipes.
Assumption to check: No user reviews or ratings for recipes.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce reminders for users to log their pints.
Assumption to check: No notifications or reminders for logging pints.
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
370+ tested Ninja CREAMi recipes, and a calculator that tells you how a pint will freeze before you freeze it. No adverts. No subscription. One purchase and everything below is yours. THE SCOOP SCIENCE CALCULATOR Enter your ingredients and see what the mix will actually do. Balance fat, sugar and total solids to predict hardness, avoid ice crystals, and know whether a pint will freeze above the max fill line and dome — before it does. 370+ TESTED RECIPES Famous dupes, gelato bases, sorbets, high-protein spins and dairy-free alternatives. Filter by difficulty, calories, base type or dietary need in a tap. VIRTUAL FREEZER Log every pint, track its freezing countdown, and get a reminder when it is ready for the machine. Record how each one turned out so the next is better. ALLERGEN & DIETARY SWAPS Swap dairy, nuts or sugar for alternatives that actually work in a frozen base, with the texture maths redone for you. SHOPPING LISTS THAT KNOW YOUR PANTRY Pick a week of recipes and get one consolidated list, sorted by aisle, with anything already in your kitchen crossed off. AI INGREDIENT ANALYSIS Hit an ingredient the database has never seen? Get its nutritional profile instantly. Use Magic Fix to rebalance a base that would otherwise freeze rock hard. COMMUNITY Share what worked, post your pints, and swap technique with CREAMi owners worldwide. Available in English, French, German, Spanish, Italian and Dutch.
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
Axios
AsyncStorage
React Native Paper
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.
