# C.L.U.S.T.E.R vs Modulart Studio

The clearest difference is review sentiment: Modulart Studio at 100% against C.L.U.S.T.E.R's 0%. Modulart Studio also leads on price (Free vs $0.99) and rating (5.0 vs 3.3). C.L.U.S.T.E.R's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 7 months). On ratings volume, in-app purchases and device support there is nothing between them.

Modulart Studio is free to download; C.L.U.S.T.E.R costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Modulart Studio holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 0% of C.L.U.S.T.E.R's written reviews are positive against 100% of Modulart Studio's.

C.L.U.S.T.E.R ships an update every 3 weeks, Modulart Studio every 7 months. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | C.L.U.S.T.E.R | Modulart Studio |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/cluster/id1615641667/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/modulart-studio/id6451383807/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Paid | **Free** |
| Size | 40 MB | 16 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Horobets](https://appshunter.io/developer/1615641669) | [Peter Yaacoub](https://appshunter.io/developer/1330097505) |

## What reviewers say

### C.L.U.S.T.E.R

[App page](https://appshunter.io/ios/app/cluster/id1615641667)

Create unique geometric designs and patterns using intuitive drawing tools. Explore shapes, colors, and symmetry to unleash your imagination and develop spatial thinking. Offers a spatial canvas with multi-level grids for endless creative possibilities.

**Highlights:** Geometric shape drawing, Color and shade customization, Symmetrical pattern creation, Multi-level 2n grid canvas, Zoom, pan, and rotate navigation, Vector graphics

**In-app purchases:** none


### Modulart Studio

[App page](https://appshunter.io/ios/app/modulart-studio/id6451383807)

Explore the connection between mathematics and art by creating visually stunning designs with modular arithmetic. This app transforms complex numbers into an engaging visual experience, perfect for creative learners. Generate and share unique multiplication circles and animations.

**Highlights:** Create unique multiplication circles, Visualize modular arithmetic, Customizable colors and details, Export designs and animations, Home Screen Widgets, Preview animations, Share on social media

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is C.L.U.S.T.E.R free?

C.L.U.S.T.E.R costs $0.99, with no in-app purchases.

### Is Modulart Studio free?

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

### Which has better reviews, C.L.U.S.T.E.R or Modulart Studio?

Modulart Studio is rated higher. C.L.U.S.T.E.R averages 3.3 out of 5 from 4 ratings, while Modulart Studio averages 5.0 from 2 ratings.

### Do C.L.U.S.T.E.R or Modulart Studio have ads?

Modulart Studio shows ads; C.L.U.S.T.E.R does not.

### Which is updated more often, C.L.U.S.T.E.R or Modulart Studio?

C.L.U.S.T.E.R ships an update every 3 weeks, and Modulart Studio every 7 months. Most recently, C.L.U.S.T.E.R was updated on September 10, 2026 and Modulart Studio on September 25, 2026.

---

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