# Concepts vs Linearity Curve Graphic Design

The clearest difference is review sentiment: Concepts at 77% against Linearity Curve Graphic Design's 61%. Concepts also leads on rating (4.7 vs 4.5). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Concepts sells 13 in-app purchases, starting at $4.99 per month and Linearity Curve Graphic Design sells 15 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Concepts holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 27K and 14K respectively. Written reviews point the same way: 77% of Concepts's written reviews are positive against 61% of Linearity Curve Graphic Design's.

Concepts ships an update fortnightly, Linearity Curve Graphic Design every 9 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | Concepts | Linearity Curve Graphic Design |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (27K ratings)](https://appshunter.io/ios/app/concepts/id560586497/reviews)** | [4.5 (14K ratings)](https://appshunter.io/ios/app/linearity-curve-graphic-design/id1219074514/reviews) |
| Number of ratings | **27K** | 14K |
| Positive reviews | **76.9% of reviews** | 61.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #182 | **#179** |
| Size | 268 MB | 797 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [TopHatch, Inc.](https://appshunter.io/developer/560586500) | [Linearity GmbH](https://appshunter.io/developer/1219074513) |

## What reviewers say

### Concepts

[App page](https://appshunter.io/ios/app/concepts/id560586497)

**Currently charting:** #182 Top Free · Graphics & Design (US App Store)

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.

**Highlights:** Infinite canvas, Vector-based sketching, Realistic pens, pencils, and brushes, Editable vector elements, Unlimited layers, Scale and measurement tools, Object libraries

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Everything Monthly | $4.99 | per month |
| Everything Monthly + Trial | $4.99 | per month |
| Everything Yearly | $29.99 | per year |
| Everything Yearly + Trial | $29.99 | per year |
| Shape Library | $1.99 | one-time |
| Pen Brush Pack | $1.99 | one-time |
| Body Forms | $1.99 | one-time |
| Make Your Own Objects | $3.99 | one-time |
| Essentials (iPhone Only) | $4.99 | one-time |
| PDF Essentials | $4.99 | one-time |
| Pro Pack  Legacy | $7.99 | one-time |
| 10 Object Packs | $14.99 | one-time |
| Essentials | $39.99 | one-time |

**What reviewers like**

- 🚀 Infinite canvas
- 👍 Intuitive and customizable interface
- 🎨 Powerful drawing and sketching tools
- 💡 Versatile for various use cases (architecture, design, note-taking)
- 🔒 Responsive customer support

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔍 Steep learning curve for some users
- 💰 Subscription model can be expensive for casual users
- 🔧 Limited text handling and editing capabilities
- 🔀 Inconsistent behavior of certain tools (e.g., eraser, alignment)

**Reported bugs**

- Memory issues when working with large, complex drawings
- Inconsistent behavior of the eraser tool
- Inaccuracies in the snap-to-grid and measurement tools
- Exporting issues, such as loss of data or poor quality

**Requested features**

- Improved text editing and formatting options
- Better color selection and customization tools
- Collaboration and real-time sharing features
- Seamless integration with other design/productivity apps
- Syncing and backup capabilities across devices


### Linearity Curve Graphic Design

[App page](https://appshunter.io/ios/app/linearity-curve-graphic-design/id1219074514)

**Currently charting:** #179 Top Grossing · Graphics & Design (US App Store)

Create professional vector art and graphic designs on your mobile devices. This app offers powerful tools for drawing, illustration, and photo vectorization, allowing you to design logos, marketing materials, and digital art with precision and ease.

**Highlights:** Bezier Pen and Node tools, Auto Trace for vectorizing images, Layer system with blend modes, Apple Pencil support, Cloud sync across devices, Import and export industry formats

**Features:** Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Weekly | $9.99 | per 7 days |
| Linearity Pro (Monthly) | $14.99 | per month |
| Monthly | $14.99 | per month |
| Linearity Pro (Monthly) | $14.99 | per month |
| Yearly | $39.00 | per year |
| Yearly | $39.00 | per year |
| Yearly | $49.99 | per year |
| Yearly | $59.99 | per year |
| Yearly | $74.99 | per year |
| Yearly | $79.99 | per year |
| Limited-time offer (Yearly) | $96.00 | per year |
| Yearly | $96.00 | per year |
| Linearity Pro (Yearly) | $119.99 | per year |
| Yearly | $119.99 | per year |

**What reviewers like**

- 🚀 Powerful vector drawing tools
- 👍 Intuitive and user-friendly interface
- 💡 Ability to have multiple artboards open
- 🚀 Fast and responsive performance
- 👍 Helpful tutorials and documentation

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🔒 Concerns about forced cloud integration and data privacy
- 💰 Subscription model seen as too expensive for casual users
- 🔒 Inability to export or access files without subscription
- 🔒 Limiting free tier to only 3 files

**Reported bugs**

- Inconsistent behavior when using the pen tool
- Issues with resizing and manipulating text boxes
- Problems with the auto-trace feature producing inaccurate results
- Crashes and data loss when working on large or complex projects

**Requested features**

- Add symmetry drawing option
- Improve text editing capabilities (e.g. line spacing, kerning)
- Introduce more brush and gradient options
- Allow importing vectors as layers
- Add measurement tools (e.g. line length, angle)


## Frequently asked questions

### Is Concepts free?

Concepts is free to download, with in-app purchases available.

### Is Linearity Curve Graphic Design free?

Linearity Curve Graphic Design is free to download, with in-app purchases available.

### Which has better reviews, Concepts or Linearity Curve Graphic Design?

Concepts is rated higher. Concepts averages 4.7 out of 5 from 27K ratings, while Linearity Curve Graphic Design averages 4.5 from 14K ratings.

### Do Concepts or Linearity Curve Graphic Design have ads?

Neither Concepts nor Linearity Curve Graphic Design shows ads.

### Which is updated more often, Concepts or Linearity Curve Graphic Design?

Concepts ships an update fortnightly, and Linearity Curve Graphic Design every 9 days. Most recently, Concepts was updated on October 29, 2026 and Linearity Curve Graphic Design on October 29, 2026.

### Which is more popular, Concepts or Linearity Curve Graphic Design?

Concepts currently peaks at #182 in the App Store charts, and Linearity Curve Graphic Design at #179. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*