# アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 vs SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜

アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 and SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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, SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜 every 5 days. The most recent releases landed on October 13, 2026 and October 10, 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 | SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Himeka Saito](https://appshunter.io/developer/6819685777) | [Kasanimaro](https://appshunter.io/developer/1846987954) |

## 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


### SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜

[App page](https://appshunter.io/ios/app/spavoid/id6800185971)

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

**In-app purchases:** none


## 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 SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜 free?

SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜 is free to download, with no in-app purchases.

### 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 SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜 have ads?

Both アプ問 無機化学｜共通テスト・大学受験 一問一答＆問題集 and SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜 show ads.

### 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 SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜?

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 SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜 every 5 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 SPavoid 〜ポモドーロタイマー・休日チャイム時間割〜 on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*