# 高校数学の解法 vs 技術士 一次試験（船舶・海洋部門）

The clearest difference is ads: 技術士 一次試験（船舶・海洋部門） at none against 高校数学の解法's shown. 技術士 一次試験（船舶・海洋部門） also leads on update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 高校数学の解法 sells 2 one-off in-app purchases and 技術士 一次試験（船舶・海洋部門） sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

高校数学の解法 ships an update weekly, 技術士 一次試験（船舶・海洋部門） every 2 days. The most recent releases landed on November 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 高校数学の解法 | 技術士 一次試験（船舶・海洋部門） |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 153 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shogo Shibuya](https://appshunter.io/developer/1671795647) | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) |

## What reviewers say

### 高校数学の解法

[App page](https://appshunter.io/ios/app/id6445906314)

This app helps high school students understand difficult math concepts through AI-powered explanations and interactive lessons. It offers over 3000 practice problems, detailed guides, and visual aids like graphs to solidify understanding for tests and exams. Users can also share and view learning materials within a community.

**Highlights:** AI-powered explanations for math problems, Interactive lessons with teacher-student dialogue, Over 3000 practice problems with difficulty levels, Course-based learning paths, Visual graph representations for concepts, Comprehensive formula collection, Community for sharing questions and solutions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の非表示 | $2.99 | one-time |
| Premium（買い切り） | $14.99 | one-time |


### 技術士 一次試験（船舶・海洋部門）

[App page](https://appshunter.io/ios/app/id6757350035)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 技術士（船舶・海洋部門） 試験対策 | $1.99 | one-time |


## Frequently asked questions

### Is 高校数学の解法 free?

高校数学の解法 is free to download, with in-app purchases available.

### Is 技術士 一次試験（船舶・海洋部門） free?

技術士 一次試験（船舶・海洋部門） is free to download, with in-app purchases available.

### Do 高校数学の解法 or 技術士 一次試験（船舶・海洋部門） have ads?

高校数学の解法 shows ads; 技術士 一次試験（船舶・海洋部門） does not.

### Which is updated more often, 高校数学の解法 or 技術士 一次試験（船舶・海洋部門）?

高校数学の解法 ships an update weekly, and 技術士 一次試験（船舶・海洋部門） every 2 days. Most recently, 高校数学の解法 was updated on November 7, 2026 and 技術士 一次試験（船舶・海洋部門） on October 25, 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.*