# 聞き読み!旅行業法 vs 機械保全3級

The clearest difference is in-app purchases: 聞き読み!旅行業法 at none against 機械保全3級's 1. 機械保全3級's advantage is ads (none vs shown) and iOS requirement (16.0 vs 18.5). On price and device support there is nothing between them.

Both are free to download. 機械保全3級 sells 1 one-off in-app purchase. 聞き読み!旅行業法 asks for nothing beyond the download.

## The numbers

| Metric | 聞き読み!旅行業法 | 機械保全3級 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Size | 93 MB | 5 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tatsuo Watanabe](https://appshunter.io/developer/908088929) | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) |

## What reviewers say

### 聞き読み!旅行業法

[App page](https://appshunter.io/ios/app/id6755226825)

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

**In-app purchases:** none


### 機械保全3級

[App page](https://appshunter.io/ios/app/3/id6758692428)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 機械保全3級（電気系保全作業） 試験対策 | $1.99 | one-time |


## Frequently asked questions

### Is 聞き読み!旅行業法 free?

聞き読み!旅行業法 is free to download, with no in-app purchases.

### Is 機械保全3級 free?

機械保全3級 is free to download, with in-app purchases available.

### Do 聞き読み!旅行業法 or 機械保全3級 have ads?

聞き読み!旅行業法 shows ads; 機械保全3級 does not.

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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.*