# ４択化学 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 in-app purchases: ４択化学 at none against サクッと化学(共通テスト対策)1問1答【サクトレ】's 1. サクッと化学(共通テスト対策)1問1答【サクトレ】's advantage is update cadence (weekly vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. 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. ４択化学 asks for nothing beyond the download.

４択化学 ships an update every 2 months, 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 September 16, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | ４択化学 | 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 | 26.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 6 MB | 56 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [junpei ono](https://appshunter.io/developer/656630939) | [DECRYPTION, CO., LTD.](https://appshunter.io/developer/1778172529) |

## What reviewers say

### ４択化学

[App page](https://appshunter.io/ios/app/id960647263)

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

**In-app purchases:** none


### 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 ４択化学 free?

４択化学 is free to download, with no in-app purchases.

### 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 ４択化学 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 ４択化学 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, ４択化学 or サクッと化学(共通テスト対策)1問1答【サクトレ】?

４択化学 ships an update every 2 months, 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, ４択化学 was updated on September 16, 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.*