# 理科問題3700 vs 中学理科

The clearest difference is ads: 中学理科 at none against 理科問題3700's shown. 中学理科 also leads on monetization model (free vs ad-supported) and update cadence (every 3 months vs every 6 months). 理科問題3700's advantage is review sentiment (46% vs 15%). On price, in-app purchases and device support there is nothing between them.

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

理科問題3700 ships an update every 6 months, 中学理科 every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 理科問題3700 | 中学理科 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **46.2% of reviews** | 15.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Ad-supported | **Free** |
| Size | 14 MB | 40 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mejiro Publications](https://appshunter.io/developer/384877298) | [Gloding Inc.](https://appshunter.io/developer/780228385) |

## 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


### 中学理科

[App page](https://appshunter.io/ios/app/id1094601357)

Master junior high school science subjects including biology, physics, chemistry, and earth science through interactive quizzes and targeted practice. Identify and focus on weak areas with a dedicated '苦手リスト' (weakness list) for efficient learning during commutes or short breaks.

**Highlights:** Covers biology, physics, chemistry, earth science, Multiple-choice questions, Progress tracking by subject, "Perfect" marks for mastery, Detailed explanations for each question, Weakness list for targeted review, Quick quizzes for short breaks

**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 中学理科 free?

中学理科 is free to download, with no in-app purchases.

### Do 理科問題3700 or 中学理科 have ads?

理科問題3700 shows ads; 中学理科 does not.

### Which is updated more often, 理科問題3700 or 中学理科?

理科問題3700 ships an update every 6 months, and 中学理科 every 3 months. Most recently, 理科問題3700 was updated on October 23, 2026 and 中学理科 on October 24, 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.*