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
Sweet Shop — Comics & Manga
The premium destination for comics and manga
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.9
36 ratings · Top 5%
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 included
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 Sweet Shop — Comics & Manga: 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
The premium destination for comics and manga. Attack on Titan. Invincible. The Walking Dead. Sailor Moon. Spawn. Hellboy. TMNT. Blue Lock. New releases the same day they hit comic shops from Image, Kodansha, Fantagraphics, and 20+ more publishers. • Read your way — vertical scroll, page swipe, or right-to-left for manga • 2-up mode on larger screens • Download comics for offline reading • Sync your library across all your devices • Buy in-app — no subscriptions, no redirects • DRM-free PDF downloads on select titles • Browse by genre, publisher, creator, or genre • New releases every week • Available worldwide • No ads! • Try before you buy — free comics including Invincible #1 Sweet Shop is currently invite-only. Claim your username at sweetshop.app There's a comic for everyone. Find yours.
Written user reviews are not shown here. Check current App Store reviews >
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 offline reading capabilities.
Assumption to check: Limited offline access to comics.
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to customize their reading experience.
Assumption to check: No user customization options.
Validate with people who use this workflow before building.
Hypothesis 3
Add sharing options and community features.
Assumption to check: Lack of social features.
Validate with people who use this workflow before building.
Hypothesis 4
Optimize image loading and caching.
Assumption to check: Performance issues with large libraries.
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 Navigation
Zustand
Axios
Expo Image
React Native Gesture Handler
React Native Reanimated
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
