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
Feminist Classics Books, notes
This app combines popular feminist classics books with professional narration enabling advanced functions read aloud (a professional narration synchronized with the highlighted text.)
$1.99 · In-app purchases
PRICE
$1.99
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Feminist Classics Books, notes: map the core Reference 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 options and community notes.
Assumption to check: Limited user engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Implement an algorithm to suggest books based on user notes.
Assumption to check: Lack of personalized recommendations
Validate with people who use this workflow before building.
Hypothesis 3
Regularly add new titles and content updates.
Assumption to check: Static content without updates
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to rate books and provide reviews.
Assumption to check: No user feedback or ratings
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
This app combines popular feminist classics books with professional narration enabling advanced functions read aloud (a professional narration synchronized with the highlighted text.) Benefits of Read aloud feature: ▪ a useful tool for kids to learn reading or for people to learn a foreign language ▪ allowing everybody to enjoy their favorite novels by reading, listening or reading+listening ▪▪▪ Long press a word and tap "Play" to activate read aloud Feminist books: ▪ Emma by Jane Austen ▪ Herland by Charlotte Perkins Gilman ▪ Jane Eyre by Charlotte Brontë ▪ Little Women by Louisa May Alcott ▪ Madame Bovary by Gustave Flaubert ▪ Middlemarch by George Eliot ▪ Sense and Sensibility by Jane Austen ▪ The Age of Innocence by Edith Wharton ▪ The Awakening by Kate Chopin ▪ The House of Mirth by Edith Wharton Study materials: ▪ Book Summary ▪ Character List ▪ Summary and Analysis ▪ Glossary ▪ Character Analysis ▪ Author's biography ▪ Critical Essays Basic features: ▪ Change font, font size ▪ Day and Night reading mode ▪ Highlight texts, notes ▪ Read aloud ▪ Audiobooks
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
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.
