# 気象予報士試験プチ対策　○×問題 vs ４択化学

The clearest difference is price: ４択化学 at Free against 気象予報士試験プチ対策　○×問題's $0.49. ４択化学 also leads on review sentiment (27% vs 0%) and update cadence (every 2 months vs every 5 months). 気象予報士試験プチ対策　○×問題's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On ads and in-app purchases there is nothing between them.

４択化学 is free to download; 気象予報士試験プチ対策　○×問題 costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

気象予報士試験プチ対策　○×問題 ships an update every 5 months, ４択化学 every 2 months. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 気象予報士試験プチ対策　○×問題 | ４択化学 |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Positive reviews | 0.0% of reviews | **26.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 2 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hinata Ariyoshi](https://appshunter.io/developer/408212089) | [junpei ono](https://appshunter.io/developer/656630939) |

## What reviewers say

### 気象予報士試験プチ対策　○×問題

[App page](https://appshunter.io/ios/app/id523498262)

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

**In-app purchases:** none


### ４択化学

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 気象予報士試験プチ対策　○×問題 free?

気象予報士試験プチ対策　○×問題 costs $0.49, with no in-app purchases.

### Is ４択化学 free?

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

### Do 気象予報士試験プチ対策　○×問題 or ４択化学 have ads?

Neither 気象予報士試験プチ対策　○×問題 nor ４択化学 shows ads.

### Which is updated more often, 気象予報士試験プチ対策　○×問題 or ４択化学?

気象予報士試験プチ対策　○×問題 ships an update every 5 months, and ４択化学 every 2 months. Most recently, 気象予報士試験プチ対策　○×問題 was updated on September 21, 2026 and ４択化学 on September 16, 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.*