# 無機化学 vs サクッと地理(共通テスト対策)1問1答【サクトレ】

The clearest difference is in-app purchases: サクッと地理(共通テスト対策)1問1答【サクトレ】 at none against 無機化学's 3. サクッと地理(共通テスト対策)1問1答【サクトレ】 also leads on update cadence (every 5 days vs every 2 months) and review sentiment (100% vs 86%). On price, ads and device support there is nothing between them.

Both are free to download. 無機化学 sells 3 in-app purchases, starting at $1.99 per month. サクッと地理(共通テスト対策)1問1答【サクトレ】 asks for nothing beyond the download.

無機化学 ships an update every 2 months, サクッと地理(共通テスト対策)1問1答【サクトレ】 every 5 days. The most recent releases landed on October 27, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 無機化学 | サクッと地理(共通テスト対策)1問1答【サクトレ】 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 86.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Freemium | **Free** |
| Size | 8 MB | 73 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akihiko Kitamura](https://appshunter.io/developer/1585792497) | [DECRYPTION, CO., LTD.](https://appshunter.io/developer/1778172529) |

## What reviewers say

### 無機化学

[App page](https://appshunter.io/ios/app/id6737172145)

This app helps high school students memorize inorganic chemistry concepts. It covers reaction principles, metallic elements, and non-metallic elements, utilizing a red-sheet overlay for easy output and review. User feedback is actively incorporated for improvements.

**Highlights:** Red sheet overlay for output practice, Comprehensive inorganic chemistry content, Covers reaction principles, Covers metallic elements, Covers non-metallic elements, User feedback integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - 1ヶ月 | $1.99 | per month |
| Pro - 6ヶ月 | $11.99 | per 6 months |
| Pro - 12ヶ月 | $19.99 | per year |


### サクッと地理(共通テスト対策)1問1答【サクトレ】

[App page](https://appshunter.io/ios/app/11/id6744859951)

Prepare for the common test geography exam with this app's simple, ad-free interface. It offers a question-and-answer format with explanations, perfect for efficient learning during commutes. Track your progress and review incorrect answers to aim for success.

**Highlights:** Ad-free user interface, Question-and-answer format, Explanations for each question, Tracks correct answers for the last 3 attempts, Review of incorrect answers, Efficient learning for commutes

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

**In-app purchases:** none


## Frequently asked questions

### Is 無機化学 free?

無機化学 is free to download, with in-app purchases available.

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

サクッと地理(共通テスト対策)1問1答【サクトレ】 is free to download, with no in-app purchases.

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

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

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

無機化学 ships an update every 2 months, and サクッと地理(共通テスト対策)1問1答【サクトレ】 every 5 days. Most recently, 無機化学 was updated on October 27, 2026 and サクッと地理(共通テスト対策)1問1答【サクトレ】 on October 15, 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.*