# ProbabilityPlayer vs サクッと化学(共通テスト対策)1問1答【サクトレ】

The clearest difference is update cadence: サクッと化学(共通テスト対策)1問1答【サクトレ】 at weekly against ProbabilityPlayer's monthly. サクッと化学(共通テスト対策)1問1答【サクトレ】 also leads on iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ProbabilityPlayer sells 1 one-off in-app purchase and サクッと化学(共通テスト対策)1問1答【サクトレ】 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ProbabilityPlayer ships an update monthly, サクッと化学(共通テスト対策)1問1答【サクトレ】 weekly. The most recent releases landed on August 27, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | ProbabilityPlayer | サクッと化学(共通テスト対策)1問1答【サクトレ】 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 56 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Motonari Hibi](https://appshunter.io/developer/386737172) | [DECRYPTION, CO., LTD.](https://appshunter.io/developer/1778172529) |

## What reviewers say

### 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 |


### サクッと化学(共通テスト対策)1問1答【サクトレ】

[App page](https://appshunter.io/ios/app/11/id6744935652)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全問題アンロック | $0.49 | one-time |


## Frequently asked questions

### Is ProbabilityPlayer free?

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

### Is サクッと化学(共通テスト対策)1問1答【サクトレ】 free?

サクッと化学(共通テスト対策)1問1答【サクトレ】 is free to download, with in-app purchases available.

### Do ProbabilityPlayer or サクッと化学(共通テスト対策)1問1答【サクトレ】 have ads?

Neither ProbabilityPlayer nor サクッと化学(共通テスト対策)1問1答【サクトレ】 shows ads.

### Which is updated more often, ProbabilityPlayer or サクッと化学(共通テスト対策)1問1答【サクトレ】?

ProbabilityPlayer ships an update monthly, and サクッと化学(共通テスト対策)1問1答【サクトレ】 weekly. Most recently, ProbabilityPlayer was updated on August 27, 2026 and サクッと化学(共通テスト対策)1問1答【サクトレ】 on August 13, 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.*