# Synesthesia VR vs Matheroo

The clearest difference is in-app purchases: Synesthesia VR at none against Matheroo's 10. Synesthesia VR also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Matheroo sells 10 in-app purchases, starting at $3.99 per month. Synesthesia VR asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Synesthesia VR | Matheroo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/synesthesia-vr/id1263877297/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | — |
| Size | 156 MB | 51 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [denkwerk GmbH](https://appshunter.io/developer/459104980) | [CentrumX Tech](https://appshunter.io/developer/1840913871) |

## What reviewers say

### Synesthesia VR

[App page](https://appshunter.io/ios/app/synesthesia-vr/id1263877297)

Experience colored hearing in virtual reality. This app simulates synesthesia, where sounds transform into moving shapes and figures. Explore the world through the eyes of individuals with this unique sensory phenomenon.

**Highlights:** Virtual reality synesthesia simulation, Sounds transform into visual shapes, Experience colored hearing, See through the eyes of synesthetes, Explore unique sensory perceptions

**Features:** macOS Compatibility

**In-app purchases:** none


### Matheroo

[App page](https://appshunter.io/ios/app/matheroo/id6752782015)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trainee Monthly Plan | $3.99 | per month |
| Family Monthly Plan | $7.99 | per month |
| Trainee 3 Month Plan | $9.99 | per 3 months |
| Trainee 6 Month Plan | $14.99 | per 6 months |
| Trainer 3 Month Plan | $17.99 | per 3 months |
| Family 3 Month Plan | $19.99 | per 3 months |
| Family 6 Month Plan | $29.99 | per 6 months |
| Trainer 6 Month Plan | $29.99 | per 6 months |
| Trainer Yearly Plan | $49.99 | per year |
| Family Yearly Plan | $59.99 | per year |


## Frequently asked questions

### Is Synesthesia VR free?

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

### Is Matheroo free?

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

### Do Synesthesia VR or Matheroo have ads?

Matheroo shows ads; Synesthesia VR does not.

### Which is updated more often, Synesthesia VR or Matheroo?

Synesthesia VR ships an update fortnightly, and Matheroo fortnightly. Most recently, Synesthesia VR was updated on October 2, 2026 and Matheroo on October 1, 2026.

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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.*