# Linearity Curve Graphic Design vs Preview3D

The clearest difference is price: Linearity Curve Graphic Design at Free against Preview3D's $9.99. Preview3D's advantage is review sentiment (100% vs 61%) and in-app purchases (none vs 18). On update cadence, ads, device support and iOS requirement there is nothing between them.

Linearity Curve Graphic Design is free to download; Preview3D costs $9.99 up front. Linearity Curve Graphic Design sells 15 in-app purchases, starting at $7.99 per 7 days. Preview3D asks for nothing beyond the download.

Linearity Curve Graphic Design ships an update every 9 days, Preview3D weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Linearity Curve Graphic Design | Preview3D |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.5 (14K ratings)](https://appshunter.io/ios/app/linearity-curve-graphic-design/id1219074514/reviews)** | — |
| Number of ratings | **14K** | — |
| Positive reviews | 61.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | #167 | **#54** |
| Size | 797 MB | 14 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Linearity GmbH](https://appshunter.io/developer/1219074513) | [Michal Fanta](https://appshunter.io/developer/6787018314) |

## What reviewers say

### Linearity Curve Graphic Design

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

**Currently charting:** #167 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)


### Preview3D

[App page](https://appshunter.io/ios/app/preview3d/id6787018312)

**Currently charting:** #54 Top Paid · Graphics & Design (US App Store)

View and inspect a wide range of 3D file formats natively on your iPhone and iPad. Supports CAD, mesh, and 3D printing files with detailed information and AR capabilities. Offline functionality ensures privacy and speed.

**Highlights:** Native viewer for STEP, STL, 3MF, G-code, and more, Detailed model inspection (dimensions, volume, surface area), Full-color 3MF rendering, Augmented Reality (AR) Quick Look integration, Offline functionality, no account or web uploads, Quick Look and 3D thumbnail support in Files app, Universal purchase for iPhone, iPad, and Mac

**In-app purchases:** none


## Frequently asked questions

### Is Linearity Curve Graphic Design free?

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

### Is Preview3D free?

Preview3D costs $9.99, with no in-app purchases.

### Do Linearity Curve Graphic Design or Preview3D have ads?

Neither Linearity Curve Graphic Design nor Preview3D shows ads.

### Which is updated more often, Linearity Curve Graphic Design or Preview3D?

Linearity Curve Graphic Design ships an update every 9 days, and Preview3D weekly. Most recently, Linearity Curve Graphic Design was updated on October 28, 2026 and Preview3D on October 25, 2026.

### Which is more popular, Linearity Curve Graphic Design or Preview3D?

Linearity Curve Graphic Design currently peaks at #167 in the App Store charts, and Preview3D at #54. 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.*