# 元素記号/化学式スタディ ゲーム感覚でスラスラ覚える vs 単語マスターX

The clearest difference is ads: 単語マスターX at none against 元素記号/化学式スタディ ゲーム感覚でスラスラ覚える's shown. 単語マスターX also leads on update cadence (every 2 weeks vs every 21 months). 元素記号/化学式スタディ ゲーム感覚でスラスラ覚える's advantage is iOS requirement (13.0 vs 17.0). 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.

元素記号/化学式スタディ ゲーム感覚でスラスラ覚える ships an update every 21 months, 単語マスターX every 2 weeks. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 元素記号/化学式スタディ ゲーム感覚でスラスラ覚える | 単語マスターX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Size | 65 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ikeda tomoki](https://appshunter.io/developer/1538370047) | [SANWA Inc.](https://appshunter.io/developer/1878028373) |

## What reviewers say

### 元素記号/化学式スタディ ゲーム感覚でスラスラ覚える

[App page](https://appshunter.io/ios/app/id1630879229)

**Features:** macOS Compatibility

**In-app purchases:** none


### 単語マスターX

[App page](https://appshunter.io/ios/app/x/id6760735471)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 元素記号/化学式スタディ ゲーム感覚でスラスラ覚える free?

元素記号/化学式スタディ ゲーム感覚でスラスラ覚える is free to download, with no in-app purchases.

### Is 単語マスターX free?

単語マスターX is free to download, with no in-app purchases.

### Do 元素記号/化学式スタディ ゲーム感覚でスラスラ覚える or 単語マスターX have ads?

元素記号/化学式スタディ ゲーム感覚でスラスラ覚える shows ads; 単語マスターX does not.

### Which is updated more often, 元素記号/化学式スタディ ゲーム感覚でスラスラ覚える or 単語マスターX?

元素記号/化学式スタディ ゲーム感覚でスラスラ覚える ships an update every 21 months, and 単語マスターX every 2 weeks. Most recently, 元素記号/化学式スタディ ゲーム感覚でスラスラ覚える was updated on October 15, 2026 and 単語マスターX on October 10, 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.*