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
Sourdough Suite
Sourdough Suite is a practical bread-baking toolkit built by a professional baker for real bake days.
$3.99 · In-app purchases
PRICE
$3.99
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.
Build your own version
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 included16 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 Sourdough Suite: 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
Incorporate social sharing and community feedback on recipes.
Assumption to check: Limited user engagement due to lack of community features
Validate with people who use this workflow before building.
Hypothesis 2
Add a recipe organization feature with folders or tags.
Assumption to check: Difficulty in managing multiple recipes
Validate with people who use this workflow before building.
Hypothesis 3
Implement advanced search options and filtering for recipes.
Assumption to check: Inadequate search functionality
Validate with people who use this workflow before building.
Hypothesis 4
Offer more value in paid features and provide a free trial.
Assumption to check: High churn rate due to subscription model
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
Sourdough Suite is a practical bread-baking toolkit built by a professional baker for real bake days. Whether you are maintaining a starter, planning tomorrow’s bake, troubleshooting a dense crumb, or scaling a formula for production, Sourdough Suite brings the tools you need into one clean, baker-friendly app. Use Photo Rescue to analyze dough, starter, crumb, or loaf photos and get structured troubleshooting guidance. Build bake plans with clear timing, save your own recipes, track starter feedings, and use professional bread calculators without jumping between spreadsheets, notes, and timers. Included tools: Photo Rescue Bake Planner My Recipes Starter Tracker Baker’s Percentage Calculator Hydration Calculator Preferment Calculator Flour Blend Calculator Feeding Calculator Timeline Calculator Dough Temperature Calculator Bake Day Copilot Sourdough Suite is designed for bakers who want more than a single calculator. It helps connect the whole process: starter strength, fermentation, dough handling, formula math, bake timing, and recipe organization. Built from bakery experience, the app gives practical guidance without pretending bread is one-size-fits-all. Use it as a bench companion for learning, troubleshooting, and making your next loaf better than the last.
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
Supabase
Zustand
React Navigation
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.
