# SkyTest VT/MM Preparation App vs Mental Math

The clearest difference is price: Mental Math at Free against SkyTest VT/MM Preparation App's $89.99. SkyTest VT/MM Preparation App's advantage is in-app purchases (none vs 10) and iOS requirement (15.0 vs 17.1). On update cadence, ads and device support there is nothing between them.

Mental Math is free to download; SkyTest VT/MM Preparation App costs $89.99 up front. Mental Math sells 10 in-app purchases, starting at $4.99 per 7 days. SkyTest VT/MM Preparation App asks for nothing beyond the download.

SkyTest VT/MM Preparation App ships an update every 5 weeks, Mental Math every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SkyTest VT/MM Preparation App | Mental Math |
| --- | --- | --- |
| Price | $89.99 | **Free** |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mental-math-mathee/id6502719157/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 422 MB | 28 MB |
| Requires iOS | **15.0** | 17.1 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Aviation Media & IT GmbH](https://appshunter.io/developer/504134961) | [Andrey Lebedev](https://appshunter.io/developer/636486462) |

## What reviewers say

### SkyTest VT/MM Preparation App

[App page](https://appshunter.io/ios/app/skytest-vtmm-preparation-app/id1492240943)

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

**In-app purchases:** none


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-mathee/id6502719157)

Enhance your arithmetic abilities with daily math challenges. This app offers over 30 difficulty levels, personalized exercises, and progress tracking to help users of all ages improve their calculation speed and accuracy.

**Highlights:** 30+ difficulty levels, Personalized exercises, Progress tracking, Quick sessions, User-friendly design, Engaging and interactive

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plus | $4.99 | per 7 days |
| Premium Plus | $4.99 | per 7 days |
| Premium Plus | $5.99 | per month |
| Premium Plus | $11.99 | per 3 months |
| Premium Plus | $14.99 | per year |
| Premium Plus | $17.49 | per year |
| Premium Plus | $24.99 | per year |
| Premium Plus | $24.99 | per year |
| Premium Plus | $39.99 | per year |
| Premium Plus | $39.99 | one-time |


## Frequently asked questions

### Is SkyTest VT/MM Preparation App free?

SkyTest VT/MM Preparation App costs $89.99, with no in-app purchases.

### Is Mental Math free?

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

### Do SkyTest VT/MM Preparation App or Mental Math have ads?

Neither SkyTest VT/MM Preparation App nor Mental Math shows ads.

### Which is updated more often, SkyTest VT/MM Preparation App or Mental Math?

SkyTest VT/MM Preparation App ships an update every 5 weeks, and Mental Math every 3 weeks. Most recently, SkyTest VT/MM Preparation App was updated on November 3, 2026 and Mental Math on November 4, 2026.

---

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