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
MangaGo - Ultimate Manga App
MangaGo is your gateway to an expansive universe of manga and manhwa, offering a comprehensive and user-friendly experience for enthusiasts of over 1 million Japanese and Korean comics alike
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.6
72 ratings · Top 50%
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for MangaGo - Ultimate Manga 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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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
Focus on a wider selection of titles and user submissions.
Assumption to check: Limited manga selection compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a less intrusive ad strategy or premium ad-free option.
Assumption to check: Frequent ads disrupt reading experience.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify navigation and add onboarding tutorials.
Assumption to check: Navigation can be confusing for new users.
Validate with people who use this workflow before building.
Hypothesis 4
Improve partnerships with publishers for timely updates.
Assumption to check: Inconsistent chapter updates.
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
MangaGo is your gateway to an expansive universe of manga and manhwa, offering a comprehensive and user-friendly experience for enthusiasts of over 1 million Japanese and Korean comics alike. Designed with a passion for storytelling and visual artistry, MangaGo ensures that every reader can immerse themselves in their favorite series and discover new ones effortlessly. At the heart of MangaGo lies its extensive library, meticulously curated to cater to diverse tastes and preferences. Whether you're into action-packed shonen adventures, heartwarming slice-of-life stories, gripping psychological dramas, or fantastical isekai realms, MangaGo has something for everyone. The app boasts a rich repository where users can explore classic gems, trending hits, and hidden treasures waiting to be uncovered. Navigating MangaGo is intuitive and seamless. Users can dive deep into each manga's details, from synopses and character profiles to author insights and publication histories. The search functionality allows for precise exploration by title, genre, author, or popularity, ensuring that users can quickly locate and begin reading their desired series. One of MangaGo's standout features is its robust tagging system. Tags serve as powerful filters, enabling users to refine their search based on themes, art styles, character types, and more. Whether you're in the mood for romance, comedy, horror, or a blend of genres, MangaGo makes it effortless to pinpoint manga that align with your preferences. Personalization is key at MangaGo. Users can curate their own collections with ease, organizing manga into categories such as "Favorites," "Currently Reading," "Finished," and "Read Later." This feature not only enhances user convenience but also fosters a deeper connection between readers and their manga choices. By tailoring their manga experience, users can revisit beloved stories or manage ongoing series effortlessly. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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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
TypeScript
React Navigation
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.
