# 公害防止管理者 大気1種 試験対策一問一答 vs 法人税法 理論暗記｜全条文の聞き流し音声

The clearest difference is update cadence: 法人税法 理論暗記｜全条文の聞き流し音声 at weekly against 公害防止管理者 大気1種 試験対策一問一答's every 2 months. 法人税法 理論暗記｜全条文の聞き流し音声 also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 公害防止管理者 大気1種 試験対策一問一答 sells 1 one-off in-app purchase and 法人税法 理論暗記｜全条文の聞き流し音声 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

公害防止管理者 大気1種 試験対策一問一答 ships an update every 2 months, 法人税法 理論暗記｜全条文の聞き流し音声 weekly. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 公害防止管理者 大気1種 試験対策一問一答 | 法人税法 理論暗記｜全条文の聞き流し音声 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 6 MB | 318 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takaho Hayashi](https://appshunter.io/developer/6788691940) | [Yuki Niihara](https://appshunter.io/developer/6805320930) |

## What reviewers say

### 公害防止管理者 大気1種 試験対策一問一答

[App page](https://appshunter.io/ios/app/1/id6800722356)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全機能解除 | $4.99 | one-time |


### 法人税法 理論暗記｜全条文の聞き流し音声

[App page](https://appshunter.io/ios/app/id6810855556)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン | $19.99 | per year |
| 買い切り（ずっと聴ける） | $29.99 | one-time |


## Frequently asked questions

### Is 公害防止管理者 大気1種 試験対策一問一答 free?

公害防止管理者 大気1種 試験対策一問一答 is free to download, with in-app purchases available.

### Is 法人税法 理論暗記｜全条文の聞き流し音声 free?

法人税法 理論暗記｜全条文の聞き流し音声 is free to download, with in-app purchases available.

### Do 公害防止管理者 大気1種 試験対策一問一答 or 法人税法 理論暗記｜全条文の聞き流し音声 have ads?

Neither 公害防止管理者 大気1種 試験対策一問一答 nor 法人税法 理論暗記｜全条文の聞き流し音声 shows ads.

### Which is updated more often, 公害防止管理者 大気1種 試験対策一問一答 or 法人税法 理論暗記｜全条文の聞き流し音声?

公害防止管理者 大気1種 試験対策一問一答 ships an update every 2 months, and 法人税法 理論暗記｜全条文の聞き流し音声 weekly. Most recently, 公害防止管理者 大気1種 試験対策一問一答 was updated on October 25, 2026 and 法人税法 理論暗記｜全条文の聞き流し音声 on October 26, 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.*