# Xygos vs Synth Brain

The clearest difference is price: Xygos at Free against Synth Brain's $14.99. Xygos also leads on rating (4.7 vs 1.0) and ratings volume (39 vs 1). Synth Brain's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Xygos is free to download; Synth Brain costs $14.99 up front. Xygos sells 1 in-app purchase, starting at $2.99 per 7 days. Synth Brain asks for nothing beyond the download.

Xygos holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Xygos has 39 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Xygos | Synth Brain |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[4.7 (39 ratings)](https://appshunter.io/ios/app/xygos-math-in-motion/id6451348655/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/synth-brain-learn-synthesis/id6799208817/reviews) |
| Number of ratings | **39** | 1 |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 101 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xygos LLC](https://appshunter.io/developer/1671065233) | [Code and DESIGN inc.](https://appshunter.io/developer/1172903960) |

## What reviewers say

### Xygos

[App page](https://appshunter.io/ios/app/xygos-math-in-motion/id6451348655)

Learn math interactively by solving problems directly on-screen with intuitive gestures. This app offers step-by-step solutions and real-time feedback for algebra and calculus, cutting learning time in half.

**Highlights:** Gesture-based problem solving, Step-by-step solutions, Real-time feedback and hints, Covers Calculus 1 and Algebra, Adaptive learning, Supports various math subjects

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Xygos Infinity | $2.99 | per 7 days |


### Synth Brain

[App page](https://appshunter.io/ios/app/synth-brain-learn-synthesis/id6799208817)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Xygos free?

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

### Is Synth Brain free?

Synth Brain costs $14.99, with no in-app purchases.

### Which has better reviews, Xygos or Synth Brain?

Xygos is rated higher. Xygos averages 4.7 out of 5 from 39 ratings, while Synth Brain averages 1.0 from 1 ratings.

### Do Xygos or Synth Brain have ads?

Neither Xygos nor Synth Brain shows ads.

---

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