# アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 vs 数学Ⅰ・A 共通テスト対策 実戦模試

The clearest difference is in-app purchases: アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 at none against 数学Ⅰ・A 共通テスト対策 実戦模試's 1. アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). 数学Ⅰ・A 共通テスト対策 実戦模試's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. 数学Ⅰ・A 共通テスト対策 実戦模試 sells 1 one-off in-app purchase. アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 asks for nothing beyond the download.

アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 ships an update every 6 days, 数学Ⅰ・A 共通テスト対策 実戦模試 every 4 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 | 数学Ⅰ・A 共通テスト対策 実戦模試 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 23 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Himeka Saito](https://appshunter.io/developer/6819685777) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集

[App page](https://appshunter.io/ios/app/id6782866171)

Master inorganic chemistry for university entrance exams with this comprehensive question-and-answer app. It covers 12 fields with 638 questions and detailed explanations, offering spaced repetition for effective memorization. Practice and track your progress to reduce errors in your exams.

**Highlights:** 12 fields and 638 questions, Detailed explanations for all questions, Spaced repetition for memorization, Progress tracking and statistics, Daily study reminders, Free basic content

**Features:** macOS Compatibility

**In-app purchases:** none


### 数学Ⅰ・A 共通テスト対策 実戦模試

[App page](https://appshunter.io/ios/app/a/id6799184216)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math I-A Mock Exam Pro | $6.99 | one-time |


## Frequently asked questions

### Is アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 free?

アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 is free to download, with no in-app purchases.

### Is 数学Ⅰ・A 共通テスト対策 実戦模試 free?

数学Ⅰ・A 共通テスト対策 実戦模試 is free to download, with in-app purchases available.

### Do アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 or 数学Ⅰ・A 共通テスト対策 実戦模試 have ads?

アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 shows ads; 数学Ⅰ・A 共通テスト対策 実戦模試 does not.

### Which is updated more often, アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 or 数学Ⅰ・A 共通テスト対策 実戦模試?

アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 ships an update every 6 days, and 数学Ⅰ・A 共通テスト対策 実戦模試 every 4 days. Most recently, アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 was updated on October 13, 2026 and 数学Ⅰ・A 共通テスト対策 実戦模試 on October 12, 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.*