# 鉱物マスター vs 高校地学マスター

The clearest difference is in-app purchases: 高校地学マスター at none against 鉱物マスター's 1. 高校地学マスター also leads on update cadence (every 2 days vs every 5 months). 鉱物マスター's advantage is ads (none vs shown) and iOS requirement (18.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. 鉱物マスター sells 1 one-off in-app purchase. 高校地学マスター asks for nothing beyond the download.

鉱物マスター ships an update every 5 months, 高校地学マスター every 2 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 鉱物マスター | 高校地学マスター |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 days** |
| Size | 8 MB | 12 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yoshitaka Tanaka](https://appshunter.io/developer/1510093015) | [Hirokazu Kurokawa](https://appshunter.io/developer/463196366) |

## What reviewers say

### 鉱物マスター

[App page](https://appshunter.io/ios/app/id6772532908)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 鉱物マスター - フルパック | $6.99 | one-time |


### 高校地学マスター

[App page](https://appshunter.io/ios/app/id6808630906)

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

**In-app purchases:** none


## Frequently asked questions

### Is 鉱物マスター free?

鉱物マスター is free to download, with in-app purchases available.

### Is 高校地学マスター free?

高校地学マスター is free to download, with no in-app purchases.

### Do 鉱物マスター or 高校地学マスター have ads?

高校地学マスター shows ads; 鉱物マスター does not.

### Which is updated more often, 鉱物マスター or 高校地学マスター?

鉱物マスター ships an update every 5 months, and 高校地学マスター every 2 days. Most recently, 鉱物マスター was updated on October 31, 2026 and 高校地学マスター on October 29, 2026.

---

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