# 理科問題3700 vs 理科検定マスター 4000問

The clearest difference is price: 理科問題3700 at Free against 理科検定マスター 4000問's $9.99. 理科検定マスター 4000問's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

理科問題3700 is free to download; 理科検定マスター 4000問 costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 理科問題3700 | 理科検定マスター 4000問 |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | — |
| Monetization | Ad-supported | — |
| Size | 14 MB | 35 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mejiro Publications](https://appshunter.io/developer/384877298) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### 理科問題3700

[App page](https://appshunter.io/ios/app/3700/id413622109)

This free science learning app offers 3700 questions across 27 subjects, including basic and advanced topics from middle school to university entrance levels. It features quiz-style learning for general knowledge and includes progress tracking with options to review incorrect answers.

**Highlights:** 3700 science questions, 27 subject categories, Basic to advanced levels, Quiz format, Progress tracking, Review incorrect answers

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

**In-app purchases:** none


### 理科検定マスター 4000問

[App page](https://appshunter.io/ios/app/4000/id6764075819)

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

**In-app purchases:** none


## Frequently asked questions

### Is 理科問題3700 free?

理科問題3700 is free to download, with no in-app purchases.

### Is 理科検定マスター 4000問 free?

理科検定マスター 4000問 costs $9.99, with no in-app purchases.

### Do 理科問題3700 or 理科検定マスター 4000問 have ads?

理科問題3700 shows ads; 理科検定マスター 4000問 does not.

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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.*