# 中学理科 vs 中2連立方程式 計算問題

The clearest difference is review sentiment: 中2連立方程式 計算問題 at 86% against 中学理科's 15%. 中学理科's advantage is ads (none vs shown) and update cadence (every 3 months vs every 38 months). 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.

中学理科 ships an update every 3 months, 中2連立方程式 計算問題 every 38 months. The most recent releases landed on September 18, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 中学理科 | 中2連立方程式 計算問題 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 15.0% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 38 months |
| Monetization | **Free** | Ad-supported |
| Size | 40 MB | 14 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [Manabu Narawa](https://appshunter.io/developer/1027712863) |

## What reviewers say

### 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


### 中2連立方程式 計算問題

[App page](https://appshunter.io/ios/app/2/id1434256775)

Practice solving simultaneous equations for 2nd-year junior high students. Includes detailed solutions and example problems to help those new to or struggling with the concept. Master basic problems to build confidence for high school entrance exams.

**Highlights:** Simultaneous equation practice, Detailed step-by-step solutions, Example problem explanations, Focus on basic problem mastery, Preparation for high school entrance exams

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 中学理科 free?

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

### Is 中2連立方程式 計算問題 free?

中2連立方程式 計算問題 is free to download, with no in-app purchases.

### Do 中学理科 or 中2連立方程式 計算問題 have ads?

中2連立方程式 計算問題 shows ads; 中学理科 does not.

### Which is updated more often, 中学理科 or 中2連立方程式 計算問題?

中学理科 ships an update every 3 months, and 中2連立方程式 計算問題 every 38 months. Most recently, 中学理科 was updated on September 18, 2026 and 中2連立方程式 計算問題 on October 1, 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.*