Concepts

Concepts

Sketch, note & draw infinitely

27K ratings
1920 reviews
#166 in free Graphics & Design
📊 Productivity
🎨 Graphics & Design
Free
In-App Purchases

Details

Released
October 6, 2012
Updated
October 22, 2026

Features

Concepts screenshot #1 for iPhone
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Concepts screenshot #10 for iPhone
iphone
ipad
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About

This flexible vector-based sketchbook offers an infinite canvas for ideation and design. Easily sketch, take notes, and create detailed designs with editable strokes and powerful tools. Share your work in various formats for seamless collaboration and professional output.

✓Infinite canvas
✓Vector-based sketching
✓Realistic pens, pencils, and brushes
✓Editable vector elements
✓Unlimited layers
✓Scale and measurement tools
✓Object libraries
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What users say about Concepts

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+1

What's New in Concepts

6.37

October 22, 2026

6.37 - iPhone Duo Concepts UI is now adapted for the iPhone Duo! Your gallery, canvas, and tools now shift seamlessly as you fold and unfold your device, keeping controls right where you need them. We’ve also fixed an issue where drawings made on iPad and opened on iPhone were rotated 90 degrees. Read more at https://concepts.app/ios/roadmap. If you appreciate what we're doing, send us feedback or leave a review!

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Subscriptions & In-App Purchases

Everything Monthly

Creative freedom for 1 month

$4.991 Month
How to cancel Concepts subscription ⁉️

Charts

Top Free

This app rose +4 positions in Graphics & Design chart.

Last updated on October 28, 2026.

Events

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Aug 31, 2026 — Sep 29, 2026

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Drag & drop scaled figures into your designs.

Jul 27, 2026 — Aug 24, 2026

User reviews

It’s the best and most brilliant application for visual thinking.

I recommend this app to every learner!

Great app but…

The thing that inspired me to pay for a year was seeing there was a Windows version. The idea of being able to work on layered diagrams on the iPad and share them at work seemed perfect for my needs. This morning I tried and found that the file formats are incompatible. I feel a bit guilty giving the best drawing app for my purposes on iPad but it was why I paid.
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Purchasing essentials, still gives you ads

I have the essential version which is the only one time payment option. Concepts now has the audacity to keep advertising their monthly subscription with a free trial. There is no way to turn off these ads or opt out of these free trials.

New user trial

Just started working with Concepts. It’s taking I bit to find the tools I need, like an eraser tool. I can quickly sketch on paper, but using the iPad is a different experience. I expect it will get better. The plan is to make sketches and work with ChatGPT to clean them up and produce engineering drawings.
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Perhaps the greatest apps for art

If you happen to be an aspiring cartoonist/artist like me, then this app is certainly what you're looking for! I'm a huge fan of the infinite canvas feature.

I often like to draw my cartoons on this beautiful software (alongside with ibisPaint and Kleki), and I couldn't thank TopHatch enough.

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User experience

🐞

Reported Bugs

4 issues

Memory issues when working with large, complex drawings

Bug

Inconsistent behavior of the eraser tool

Bug

Inaccuracies in the snap-to-grid and measurement tools

Bug

Exporting issues, such as loss of data or poor quality

Bug
✨

Requested Features

5 requests

Improved text editing and formatting options

Feature

Better color selection and customization tools

Feature

Collaboration and real-time sharing features

Feature

Seamless integration with other design/productivity apps

Feature

Syncing and backup capabilities across devices

Feature

FAQ

What is Concepts?

Concepts is a flexible, vector-based sketchbook designed for ideation, planning, and creation. It provides an infinite canvas where users can sketch, take notes, draw storyboards, and develop designs with editable vector strokes.

What are the key features of Concepts?

Key features include an infinite canvas with customizable paper types and grids, realistic drawing tools, an editable vector-based sketching system, unlimited layers, and scale/measurement tools for real-world dimensions. Users can also create and share object libraries.

How much does Concepts cost?

Concepts offers a free version with essential features like the infinite canvas, basic tools, and JPG exports. Paid features are available through a subscription service or one-time purchases, unlocking advanced tools, more layers, and additional export formats.

What devices is Concepts compatible with?

The app description mentions compatibility with platforms and exporting to other apps like Procreate, Sketchbook, AutoCAD, and Adobe, suggesting it is available on common mobile operating systems. Specific platform compatibility is not detailed but implied through its professional user base.

What are some common use cases for Concepts?

Common use cases include sketching initial product designs, creating mind maps and flowcharts, developing storyboards for film or animation, planning architectural layouts, and general note-taking or doodling. Its vector nature makes it ideal for iterative design processes.