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
RedChapters
Step into a world where ruthless CEOs rule the boardroom, powerful Alphas command the pack, and true love defies all odds.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
3,331 ratings · Top 15%
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 included17 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 RedChapters: map the core Books 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
Implement personalized recommendations based on reading history.
Assumption to check: Limited book discovery features compared to larger platforms
Validate with people who use this workflow before building.
Hypothesis 2
Add social features to connect readers and discuss books.
Assumption to check: Lack of social features for sharing or discussing books
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to download books for offline access.
Assumption to check: No offline reading capability
Validate with people who use this workflow before building.
Hypothesis 4
Offer a freemium model with ad-supported content.
Assumption to check: Subscription model may not be appealing to all users
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
Step into a world where ruthless CEOs rule the boardroom, powerful Alphas command the pack, and true love defies all odds. Discover your next reading obsession with Redchapters, your premier destination for addictive billionaire romance, heart-pounding werewolf fiction, and steamy love stories. THE ULTIMATE CEO & BILLIONAIRE ROMANCE EXPERIENCE Dive deep into a library dedicated to the high-stakes, wealthy romance you crave most: - The Ruthless Boss: Surrender to the intoxicating tension of office romances, where cold-hearted CEOs finally meet their match. - Contract Marriages: Step into a world of wealth and secrets, where what starts as a strict business deal quickly ignites into fiery, undeniable passion. - Secret Heirs & Second Chances: Because one lifetime isn't enough. Get swept away by shattered hearts finding healing and billionaires fighting for the families they never knew they had. INTOXICATING WEREWOLF & SHIFTER FICTION Beyond the penthouse, explore our thrilling supernatural realm filled with pack drama and destined love: - Fated Mates & Alpha Lovers: Give in to the magnetic pull of destined bonds, dominant Alphas, and fiercely loyal Lunas. - The Rejected Mate: Experience the agonizing heartbreak of rejection and the fierce, triumphant journey of rising from the ashes. DESIGNED FOR ROMANCE READERS We believe a great story deserves a flawless reading experience. Redchapters is built to let you lose yourself in the plot without distractions: - Smart, Personalized Recommendations: Our engine learns exactly what you love. Whether you're craving a steamy ""Billionaire Boss"" or an emotional ""Alpha Match,"" we serve up novels tailored specifically to your taste. - Smooth & Elegant Interface: Enjoy a clean, intuitive app design. No clutter, no lag—just you and the story, functioning seamlessly with every swipe. - The Ultimate Reading Comfort: Customize your reading space. Choose from beautiful fonts, adjust text sizes, and seamlessly switch to our eye-pleasing Dark Mode for late-night reading sessions. Don’t let your epic love story slip away. Download Redchapters today, meet your billionaire CEO or fated Alpha, and fall in love with every page.
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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
React Navigation
Zustand
React Native Gesture Handler
BUILD KIT DIFFICULTY
Advanced
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.
