# Heromask Mathematics vs Pengunaut Trainer

The clearest difference is in-app purchases: Pengunaut Trainer at none against Heromask Mathematics's 1. Pengunaut Trainer also leads on iOS requirement (15.0 vs 26.0). Heromask Mathematics's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Heromask Mathematics sells 1 one-off in-app purchase. Pengunaut Trainer asks for nothing beyond the download.

Heromask Mathematics ships an update every 3 weeks, Pengunaut Trainer every 2 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Heromask Mathematics | Pengunaut Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (15 ratings)](https://appshunter.io/ios/app/heromask-mathematics/id1474862792/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 5.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 681 MB | 258 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CM Game Rules LTD](https://appshunter.io/developer/1831800793) | [Universitaetsmedizin Essen](https://appshunter.io/developer/1540967560) |

## What reviewers say

### Heromask Mathematics

[App page](https://appshunter.io/ios/app/heromask-mathematics/id1474862792)

Explore space in VR while learning fundamental math skills. This action game requires a specific VR headset and immerses players in a 360-degree environment to practice addition, subtraction, multiplication, and division.

**Highlights:** Virtual reality space exploration, Practice addition, subtraction, multiplication, division, 360-degree immersive environment, Laser beam aiming mechanic, Requires VR headset

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy full game | $24.99 | one-time |


### Pengunaut Trainer

[App page](https://appshunter.io/ios/app/pengunaut-trainer/id1574355130)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Heromask Mathematics free?

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

### Is Pengunaut Trainer free?

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

### Do Heromask Mathematics or Pengunaut Trainer have ads?

Neither Heromask Mathematics nor Pengunaut Trainer shows ads.

### Which is updated more often, Heromask Mathematics or Pengunaut Trainer?

Heromask Mathematics ships an update every 3 weeks, and Pengunaut Trainer every 2 months. Most recently, Heromask Mathematics was updated on October 24, 2026 and Pengunaut Trainer on October 16, 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.*