# 高校社会 Be Study vs ProbabilityPlayer

The clearest difference is ads: ProbabilityPlayer at none against 高校社会 Be Study's shown. 高校社会 Be Study's advantage is iOS requirement (14.0 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 高校社会 Be Study sells 3 in-app purchases, starting at $1.99 per month and ProbabilityPlayer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

高校社会 Be Study ships an update every 3 weeks, ProbabilityPlayer monthly. The most recent releases landed on September 19, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | 高校社会 Be Study | ProbabilityPlayer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 109 MB | 9 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomohito Kii](https://appshunter.io/developer/1689523321) | [Motonari Hibi](https://appshunter.io/developer/386737172) |

## What reviewers say

### 高校社会 Be Study

[App page](https://appshunter.io/ios/app/be-study/id6736946222)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - HS Society Be | $1.99 | per month |
| Annual - HS Society Be | $14.99 | per year |
| Premium (Lifetime) | $24.99 | 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 高校社会 Be Study free?

高校社会 Be Study is free to download, with in-app purchases available.

### Is ProbabilityPlayer free?

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

### Do 高校社会 Be Study or ProbabilityPlayer have ads?

高校社会 Be Study shows ads; ProbabilityPlayer does not.

### Which is updated more often, 高校社会 Be Study or ProbabilityPlayer?

高校社会 Be Study ships an update every 3 weeks, and ProbabilityPlayer monthly. Most recently, 高校社会 Be Study was updated on September 19, 2026 and ProbabilityPlayer on August 27, 2026.

---

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