# ４択化学 vs 88元素記号暗記クイズ

The clearest difference is in-app purchases: ４択化学 at none against 88元素記号暗記クイズ's 1. ４択化学 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 88元素記号暗記クイズ sells 1 one-off in-app purchase. ４択化学 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ４択化学 | 88元素記号暗記クイズ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Size | 6 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [junpei ono](https://appshunter.io/developer/656630939) | [SPARKLE AND, K.K.](https://appshunter.io/developer/1572402899) |

## What reviewers say

### ４択化学

[App page](https://appshunter.io/ios/app/id960647263)

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

**In-app purchases:** none


### 88元素記号暗記クイズ

[App page](https://appshunter.io/ios/app/88/id6497715046)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示(永久) | $1.99 | one-time |


## Frequently asked questions

### Is ４択化学 free?

４択化学 is free to download, with no in-app purchases.

### Is 88元素記号暗記クイズ free?

88元素記号暗記クイズ is free to download, with in-app purchases available.

### Do ４択化学 or 88元素記号暗記クイズ have ads?

88元素記号暗記クイズ shows ads; ４択化学 does not.

### Which is updated more often, ４択化学 or 88元素記号暗記クイズ?

４択化学 ships an update every 2 months, and 88元素記号暗記クイズ every 2 months. Most recently, ４択化学 was updated on October 3, 2026 and 88元素記号暗記クイズ on October 11, 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.*