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
Manga Log App
Manga Log App is a convenient tool to easily record and manage your manga reading experience.
$2.99
PRICE
$2.99
No 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 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 Manga Log App: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Manga Log App is a convenient tool to easily record and manage your manga reading experience. You can organize "manga to read," "currently reading manga," and "completed manga" in lists, preserving your manga reading memories. ＜Features＞ ● Detailed manga information management * Title, volumes, reading method (physical book, ebook), price * Reading status (To Read, Reading, Read) * Satisfaction rating (5-star scale) * Easy recording of reviews and notes ● Organize by reading status Three tabs - To Read, Reading, Read - make it easy to manage your manga collection. ● Search function Quickly find manga by title search. ● User-friendly interface Simple and intuitive design allows anyone to use it easily. ● Automatic data saving All input data is automatically saved for peace of mind. ＜How to use＞ 1. Add manga * Tap the "+" button at the bottom of screen * Enter manga info and tap "Save" 2. Manage manga * Check To Read, Reading, Read manga in each tab * Tap manga to view/edit details 3. Reorder and delete manga * Drag & drop to reorder list * Swipe left to delete * Or use "Edit" button for reorder/delete 4. Use search function * Enter keywords in the top search bar to quickly find manga With this app, efficiently manage your manga experience and instantly check your reading history. Enjoy a fulfilling manga life with Manga Log App! Paid app with no advertisements.
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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 advanced search features with filters for genre, author, and status.
Assumption to check: Lack of comprehensive search and filtering options.
Validate with people who use this workflow before building.
Hypothesis 2
Add various charts to visualize reading habits over time.
Assumption to check: Limited data visualization for reading progress.
Validate with people who use this workflow before building.
Hypothesis 3
Integrate sharing options for users to share their manga lists and progress on social media.
Assumption to check: No social sharing features.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize themes and layout of the app.
Assumption to check: Inadequate customization options for user preferences.
Validate with people who use this workflow before building.
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
victory-native
axios
zustand
BUILD KIT DIFFICULTY
Starter
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.
