App Overview

ComicBook! icon

ComicBook!

3DTOPO Inc. · Photo & Video

"The Best App for Making Comics: ComicBook!" - Mac|Life

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.8
1,360 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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Combine features and design from your favorite apps.

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What's included18 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.

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.

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

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for ComicBook!: map the core Photo & Video 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

Offer a wider variety of unique filters and effects.

Assumption to check: Limited filter options compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Optimize app performance for lower-end hardware.

Assumption to check: Inconsistent performance on older devices

Validate with people who use this workflow before building.

Hypothesis 3

Simplify UI and improve visual hierarchy.

Assumption to check: User interface can be cluttered

Validate with people who use this workflow before building.

Hypothesis 4

Implement cloud backup and sync for user projects.

Assumption to check: Lack of cloud backup for projects

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

"The Best App for Making Comics: ComicBook!" - Mac|Life ComicBook! is YOUR Creative Superpowers! Transform the ordinary to share-worthy extraordinary easy as: B.A.M! Arm yourself with the best graphic effects, 105 inspiring layouts, 374 hand-drawn* comic Stickers, 12 caption and text tools, and auto-content from Flickr, and you have the superpowers to Rule the Universe - in Your stories! TOP-SELLING COMIC BOOK CREATION APP AWARDED iTUNES BEST PHOTO APP OF 2011 WAS APP OF THE WEEK WORLDWIDE YOUR IMAGES YOUR WAY Import images from your library and Flickr Capture a new image Scale, rotate & position imported images SUPERFX (optional) Best image to comic effects and true to image 8 auto styles, each with optional detail settings All have 4 CMYK halftone options All have 4 screen halftone options All have 4 line halftone options FX BUILDER From classic comic to Manga Each has 5 variations Each of those has 4 line options All have 4 CMYK halftone options All have 4 digital halftone options 10 LEGACY IMAGE FX FILTERS Automatic "Classic" style Adjustable Comic style Photo Adjustment filter Noir, Sinkcity, Poster, Moody, Rock & Hope Effects 374 AWESOME STICKERS INCLUDED Vast majority lovingly hand-drawn by Joanna Mulder! Paste PNG and JPG images as custom stickers Position, Mirror (flip), scale & rotate stickers Optional drop shadow and transparency 500+ additionally available 11 CAPTION TOOLS "Messy" option for drawn look; each is unique! Captions have small, medium & large fonts Customizable caption background colors Customizable caption text colors Curved pointers with hints 105 LAYOUTS INCLUDED Selectable aspect ratio (1:1, 3:2, 4:3 and 16:9) 15 Fun Photo Portrait Layouts 15 Classic Portrait Layouts 15 Classic Landscape Layouts 15 Vintage Portrait Layouts 15 Vintage Landscape Layouts 15 Modern Portrait Layouts 15 Modern Landscape Layouts BUILT-IN SHARING Twitter sharing Facebook sharing Instagram sharing Email JPG or PDF files Direct printing support 10 COMIC FONTS INCLUDED Fonts feature bold & international characters Title text tool in 6 colors and 3 sizes SAVING Save to photo library Save to editable** PDF files PDF files can be copied to your computer Open PDF files in any app that supports PDF Graphical project manager to save & restore projects EVEN MORE Set default font, font size, etc. Parental controls Tooltips Comprehensive online help and Quick Start Native Retina iPhone and iPad resolution SuperFX is available on devices with A12 and M1 and later processors as an in-app purchase with a free 2-week trial. Compared to our previous ComicBook! effects, SuperFX is a game-changer. It offers significant visual enhancements and improved resolution, and the SuperFX styles are fully automatic. They optionally have three different detail options, each with three different halftone types, including CMYK and an all-new line screen. Our SuperFX effects are high-definition and generated directly on the user's device, ensuring complete privacy and the ability to use them without an internet connection. At our core, we believe in preserving the original traits of a photo while adding cutting-edge effects. Unlike other generative AI, our models do not alter personalities or hallucinate objects. Additionally, we trained our models on ethically sourced and homemade datasets. *The one and only Joanna Mulder lovingly drew the vast majority of our 374 included stickers **PDF files are only editable in external applications such as Adobe Illustrator and Inkscape. We commit to continuously improving ComicBook! 2, and we encourage everyone to suggest ideas for future updates free of charge! Connect with us @3DTOPO on Twitter and Instagram! Rascal the cat images compliments of @rascal_wild 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
Zustand
React Navigation
expo-image-picker
expo-sharing
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.