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
TinyReaderHubPro
TinyReaderHub is a beautifully designed local comic reader that makes it easy to manage and read various comic file formats.
$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.
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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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
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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 TinyReaderHubPro: 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
Add more personalized recommendations based on reading habits.
Assumption to check: Limited book discovery features
Validate with people who use this workflow before building.
Hypothesis 2
Implement features to share reading lists and reviews.
Assumption to check: Lack of social sharing options
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 capabilities
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the purchase process and provide clear information on pricing.
Assumption to check: In-app purchase process is unclear
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
TinyReaderHub is a beautifully designed local comic reader that makes it easy to manage and read various comic file formats. Key Features: • Multiple File Format Support: PDF, ZIP, RAR, 7Z archives • Direct Reading: Browse files inside archives without extraction • Smart File Management: Automatic file recognition and categorization • Smooth Reading Experience: Optimized page turning and zooming • Personalized Settings: Themes, font sizes, reading modes • File Transfer: iCloud, local network, and various sharing methods • Password Protection: Support for password-protected archives • User Guide: Built-in detailed usage instructions Highlights: • Minimalist Design: Clean and beautiful interface with intuitive controls • Efficient Reading: Fast loading and smooth page turning • Smart Sorting: Automatic sorting by filename, date, etc. • Multi-language Support: Chinese, English, Japanese interfaces • Offline Reading: No internet required, read anywhere Whether you're a comic enthusiast or need to read PDF documents, TinyReaderHub provides an excellent reading experience. Download now and start your reading journey!
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
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.
