# Task Ctrl vs アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集

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 Task Ctrl's 2. 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 iOS requirement (15.0 vs 17.5). Task Ctrl's advantage is ads (none vs shown) and update cadence (daily vs every 6 days). On price and device support there is nothing between them.

Both are free to download. Task Ctrl sells 2 in-app purchases, starting at $2.99 per month. 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.

Task Ctrl ships an update daily, アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 every 6 days. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Task Ctrl | アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 43 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [masato mochimaru](https://appshunter.io/developer/1893209962) | [Himeka Saito](https://appshunter.io/developer/6819685777) |

## What reviewers say

### Task Ctrl

[App page](https://appshunter.io/ios/app/task-ctrl/id6762167243)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Task Ctrl Pro | $2.99 | per month |
| Task Ctrl Premium | $5.99 | per month |


### 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


## Frequently asked questions

### Is Task Ctrl free?

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

### 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.

### Do Task Ctrl or アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 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; Task Ctrl does not.

### Which is updated more often, Task Ctrl or アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集?

Task Ctrl ships an update daily, and アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 every 6 days. Most recently, Task Ctrl was updated on October 1, 2026 and アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 on October 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.*