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
Comikey - Manga & Webcomics
Manga, Manhua, Manhwa, and Webtoons! Unlock a whole new world of comics with Comikey! Comikey is a free app for reading all of your favorite comics in English
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.4
185 ratings · Top 30%
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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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 Comikey - Manga & Webcomics: 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, Manhua, Manhwa, and Webtoons! Unlock a whole new world of comics with Comikey! Comikey is a free app for reading all of your favorite comics in English. Read Simulpub chapters of officially licensed comics, support creators and publishers by reading your favorite series on Comikey. Don’t want to pay? No worries! Read nearly our entire catalog for FREE by watching ads! Discover new free stories to binge every day, with every genre from action, romance to isekai! - Read free by watching ads, daily - Exclusive manga and webtoons you won’t find anywhere else - Endless catalog of the stories you love - High-quality manga translations - Cute girls, hot guys... There’s a series for everyone! - Plenty of access: Chapters can be unlocked using your free daily pass, by watching ads, and of course, by using your keys to support the creators! Tired of inconsistent releases? On Comikey, translations of manga, webtoons, and manhwa are high-quality and officially licensed, so you can support your favorite authors and artists! Here are just a few stories you can start binging today: - Get your kicks with hardcore action like “Kengan Omega”, “Kengan Ashura”, “Strike it Rich”, “Record of Ragnarok”, “Battle in 5 Seconds”, “Battle in 5 Seconds”, and more! - Be reborn into new worlds with Isekai series like “Happy Harem Making with the Mightiest Orc!”, “The Strongest Savior's Second Chance”, and more! - Laugh along with comedy reads like “Don’t XXX With Teachers!”, “Place of Her Way”, “Asobi Asobase”, and more! - Feel the thrill with “Castration: Rebirth”, “Panagia’s Territory”, “Facelift Game”, and more! - Get a little slice of life with “Reptile Secrets”, “A Cursed Sword’s Daily Life”, and more! - Feel butterflies with romance like “Firefly Wedding”, “Smoking Behind the Supermarket with You”, “My Awkward Senpai”, “The Ice Guy and His Cool Female Colleague”, “The Girl I Like Forgot Her Glasses”, and more! - Watch two girls’ journey to becoming k-pop idols in “Girl Crush”. - Home of original versions of anime and drama adaptations, like “Asobi Asobase”. Partnerships with Shogakukan’s MangaOne division, Hakusensha, SQUARE ENIX, Coamix, Compass, Manhuatai, Kanman Manhua, Kuaikan Comics, and Shinchosha gives you exclusive access to translated webtoons and manga that you only find on Comikey! Follow us for the latest updates: Instagram: https://www.instagram.com/comikey.media/ TikTok: https://www.tiktok.com/@comikey.media Twitter: https://twitter.com/Comikeymedia Facebook: https://www.facebook.com/comikey Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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
Competitive pricing with generous free tier
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Focus on most-requested features first
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Optimize for 60fps, fast load times
Assumption to check: Poor performance
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
Supabase
RevenueCat
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.
