# 目力！数学トレーニング vs ProbabilityPlayer

The clearest difference is iOS requirement: 目力！数学トレーニング at 12.1 against ProbabilityPlayer's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 目力！数学トレーニング sells 6 one-off in-app purchases and ProbabilityPlayer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

目力！数学トレーニング ships an update every 3 weeks, ProbabilityPlayer monthly. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 目力！数学トレーニング | ProbabilityPlayer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 9 MB |
| Requires iOS | **12.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [株式会社メーティス](https://appshunter.io/developer/1123354993) | [Motonari Hibi](https://appshunter.io/developer/386737172) |

## What reviewers say

### 目力！数学トレーニング

[App page](https://appshunter.io/ios/app/id1365516138)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3次関数のグラフと接線 | $0.99 | one-time |
| sin,cosの変換 | $0.99 | one-time |
| Σ（１次式） | $0.99 | one-time |
| 内積の成分計算 | $0.99 | one-time |
| 絶対値記号を含む不等式 | $0.99 | one-time |
| 漸化式(1次関数型)の一般項 | $0.99 | one-time |


### ProbabilityPlayer

[App page](https://appshunter.io/ios/app/probabilityplayer/id6737689746)

Practice probability problems for the Kyotsu Test, a common Japanese university entrance exam. This app focuses on mathematical probability questions and includes diagrams to aid understanding. It is designed to help students prepare for this specific academic assessment.

**Highlights:** Probability problem practice, Kyotsu Test focus, Mathematical probability, Diagrams included, University entrance exam prep

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |


## Frequently asked questions

### Is 目力！数学トレーニング free?

目力！数学トレーニング is free to download, with in-app purchases available.

### Is ProbabilityPlayer free?

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

### Do 目力！数学トレーニング or ProbabilityPlayer have ads?

Neither 目力！数学トレーニング nor ProbabilityPlayer shows ads.

### Which is updated more often, 目力！数学トレーニング or ProbabilityPlayer?

目力！数学トレーニング ships an update every 3 weeks, and ProbabilityPlayer monthly. Most recently, 目力！数学トレーニング was updated on October 1, 2026 and ProbabilityPlayer on September 27, 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.*