App Overview

‎iArtbook icon

‎iArtbook

Alexander Kondrashov · Graphics & Design

Fun painting app, based on Unlimited Layers with Blend Modes and Masks

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
3.8
11,588 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 included17 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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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 ‎iArtbook: map the core Graphics & Design 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

Provide a wider variety of customizable brushes and tools.

Assumption to check: Limited brush and tool options

Validate with people who use this workflow before building.

Hypothesis 2

Optimize performance for larger artwork files.

Assumption to check: Performance issues with large files

Validate with people who use this workflow before building.

Hypothesis 3

Implement a more guided onboarding experience.

Assumption to check: User interface can be confusing for new users

Validate with people who use this workflow before building.

Hypothesis 4

Enhance share options to support more platforms and formats.

Assumption to check: Inconsistent sharing functionality

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

Fun painting app, based on Unlimited Layers with Blend Modes and Masks Any brush can be used with 3 professional-level realtime technologies of calligraphy: Line Delay, Rope Stabilization and Correction, combine it for best results. With 100% calligraphy the line will be very smooth even if you are drawing with your finger Brushes can be Dry, Glossy and Wet. There are 3 types of Wet brushes: Without Pull, With Pull and Super-Precise. Any brush can instantly became Smudge-brush with Finger instrument. Textured brushes are also supported If you like to draw with simple round brush, there are quick settings for Hardness, Ovality & Rotation of your brush shape. Or, if you prefer realistic brushes, large Pro-Library of shapes (>1000 textures) can be used to create new brushes of any type Apple Pencil is fully supported, including Touch Force, Tilt, Azimuth and Predicted Points. There are settings for each Pencil ability. You also can disable finger-painting, if you never use it Gestures: 2-fingers tap for Undo and 3-fingers tap for Redo any action For color choosing there are 2 different Color Pickers and Palettes with Gradient Mixer. Use long-pressure gesture for quick color choosing Time-Lapse video recording is enabled by default FEATURES LIST: Create Animation: * Unlimited frames of animation * Multiple animation layers * Export to mp4, hevc, gif, apng Learn How to Draw by copying Professional Art: * Use any Painting or Sketch as a Lesson * Tap left side of screen to switch between your painting and the lesson * 4 lesson types: "Equal size", "First Layer", "Horizontal split", "Vertical split" Brushes: * Preinstalled professional brushes * Glossy brushes * 50+ brush settings * Shapes library * Calligraphy * Apple Pencil support * Smudge brushes with 3 different smudge technologies * Export-import of brushes * Dynamic shape * Realistic brushes * Any brush can became a smudge brush with Smudge tool Colors: * 2 Color Pickers * Color mixer * Palettes * Import/Export of palettes Interface: * Right and left handed interface * Light or dark interface * Custom interface color Layers: * Unlimited layers * Dynamic ssd/operative memory using for layers * Masks * Clear / Fill / Select / Sort / Duplicate * Blend modes * Opacity and visibility * Import any image as a layer * Transform without loosing image quality Gestures: * 2-Fingers tap for Undo * 3-Fingers tap for Redo * Long pressure for quick color choosing * Bucket Tool: Drag the Color circle onto the canvas * Only-gestures control with Swipes Advanced: * Flip canvas horizontally * Time-Lapse video recording * Transform instrument * Selection tool * PNG with transparency creation

Written user reviews are not shown here. Check current App Store reviews >

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
Zustand
React Navigation
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.