# Euler VS vs Black Hole Sun

The clearest difference is price: Euler VS at Free against Black Hole Sun's $0.99. Euler VS also leads on iOS requirement (15.2 vs 26.0). Black Hole Sun's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Euler VS is free to download; Black Hole Sun costs $0.99 up front. Euler VS sells 2 one-off in-app purchases. Black Hole Sun asks for nothing beyond the download.

## The numbers

| Metric | Euler VS | Black Hole Sun |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/euler-vs/id6495234606/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 2.3 GB |
| Requires iOS | **15.2** | 26.0 |
| Devices | iPhone, iPad, iPod, Apple TV | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [AllOneWord Software LLC](https://appshunter.io/developer/1740646658) | [Pieter Hartzenberg](https://appshunter.io/developer/495577297) |

## What reviewers say

### Euler VS

[App page](https://appshunter.io/ios/app/euler-vs/id6495234606)

Explore a dynamic world of geometric art and visual synthesis with interactive touch controls. Design and play with harmonic motion and color systems, with options to expand your library through in-app purchases. Sync your creations from macOS for a seamless experience.

**Highlights:** Interactive geometric art, Harmonic motion exploration, Touch-driven visual synthesis, 24 professional presets, In-app preset packs, Tap Tempo feature, iCloud sync with macOS

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Townsend '94 Bank | $0.99 | one-time |
| King St. Garage | $0.99 | one-time |


### Black Hole Sun

[App page](https://appshunter.io/ios/app/black-hole-sun/id6787686882)

**In-app purchases:** none


## Frequently asked questions

### Is Euler VS free?

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

### Is Black Hole Sun free?

Black Hole Sun costs $0.99, with no in-app purchases.

### Do Euler VS or Black Hole Sun have ads?

Neither Euler VS nor Black Hole Sun shows ads.

---

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