# 極限ガチャ vs ProbabilityPlayer

The clearest difference is price: ProbabilityPlayer at Free against 極限ガチャ's $5.99. ProbabilityPlayer also leads on review sentiment (100% vs 75%). 極限ガチャ's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

ProbabilityPlayer is free to download; 極限ガチャ costs $5.99 up front. ProbabilityPlayer sells 1 one-off in-app purchase. 極限ガチャ asks for nothing beyond the download.

極限ガチャ ships an update every 3 weeks, ProbabilityPlayer monthly. The most recent releases landed on August 21, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | 極限ガチャ | ProbabilityPlayer |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 9 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Akira Hiraoka](https://appshunter.io/developer/1668714727) | [Motonari Hibi](https://appshunter.io/developer/386737172) |

## What reviewers say

### 極限ガチャ

[App page](https://appshunter.io/ios/app/id6467179754)

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

**In-app purchases:** none


### 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 極限ガチャ free?

極限ガチャ costs $5.99, with no in-app purchases.

### Is ProbabilityPlayer free?

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

### Do 極限ガチャ or ProbabilityPlayer have ads?

Neither 極限ガチャ nor ProbabilityPlayer shows ads.

### Which is updated more often, 極限ガチャ or ProbabilityPlayer?

極限ガチャ ships an update every 3 weeks, and ProbabilityPlayer monthly. Most recently, 極限ガチャ was updated on August 21, 2026 and ProbabilityPlayer on August 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.*