# Art Set 4 vs hueprism

The clearest difference is in-app purchases: hueprism at none against Art Set 4's 1. hueprism also leads on device support (4 vs 1). Art Set 4's advantage is update cadence (every 6 days vs fortnightly) and iOS requirement (12.4 vs 15.0). On price and ads there is nothing between them.

Both are free to download. Art Set 4 sells 1 one-off in-app purchase. hueprism asks for nothing beyond the download.

Art Set 4 ships an update every 6 days, hueprism fortnightly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Art Set 4 | hueprism |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (29K ratings)](https://appshunter.io/ios/app/art-set-4/id1418530800/reviews)** | — |
| Number of ratings | **29K** | — |
| Positive reviews | 63.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 158 MB | 11 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [LOFOPI](https://appshunter.io/developer/326067842) | [Sangho Kim](https://appshunter.io/developer/1823826362) |

## What reviewers say

### Art Set 4

[App page](https://appshunter.io/ios/app/art-set-4/id1418530800)

Experience hyper-realistic digital art creation with advanced tools for painting and drawing. Explore a vast array of brushes, fluid simulations, and 3D paint effects. This app offers a customizable workspace and professional features for artists of all levels.

**Highlights:** Hyper-realistic art tools, Fluid watercolor simulation, 3D paint effects, Customizable workspace, Time-lapse video recording, PSD export, Layer masks

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | $12.99 | one-time |

**What reviewers like**

- 🎨 Realistic paint and brush simulation
- 👍 Intuitive and easy to use
- 🎨 Excellent oil paint and watercolor tools
- 🎨 Wide variety of art tools and materials
- 👍 Responsive and smooth performance

**What reviewers complain about**

- 💰 Many features locked behind paywall
- 🐛 Occasional crashes and bugs
- 🔒 Lack of layer management and export options
- 🔒 Limited brush size and customization options in free version
- 🔒 Confusing UI and hidden features

**Reported bugs**

- Crashes when opening color palette or blending
- Unexpected loss of work and canvas resets
- Inability to resize canvas or change aspect ratio
- Brush size and settings not preserved when switching tools

**Requested features**

- Add more free brushes and tools
- Improve layer management and export options
- Allow more brush size and customization options in free version
- Provide better documentation and tutorials
- Add undo/redo gesture support


### hueprism

[App page](https://appshunter.io/ios/app/hueprism/id6768011083)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Art Set 4 free?

Art Set 4 is free to download, with in-app purchases available.

### Is hueprism free?

hueprism is free to download, with no in-app purchases.

### Do Art Set 4 or hueprism have ads?

Neither Art Set 4 nor hueprism shows ads.

### Which is updated more often, Art Set 4 or hueprism?

Art Set 4 ships an update every 6 days, and hueprism fortnightly. Most recently, Art Set 4 was updated on November 7, 2026 and hueprism on October 31, 2026.

---

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