# 乙4 vs 屋外広告士トレ｜学科 過去問対策

The clearest difference is ads: 乙4 at none against 屋外広告士トレ｜学科 過去問対策's shown. 屋外広告士トレ｜学科 過去問対策's advantage is update cadence (every 2 days vs monthly) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. 乙4 sells 1 in-app purchase, starting at $4.99 per 7 days and 屋外広告士トレ｜学科 過去問対策 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

乙4 ships an update monthly, 屋外広告士トレ｜学科 過去問対策 every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 乙4 | 屋外広告士トレ｜学科 過去問対策 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Size | 2 MB | 78 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CapCat LLC](https://appshunter.io/developer/1654095841) | [keisuke okuno](https://appshunter.io/developer/6779085862) |

## What reviewers say

### 乙4

[App page](https://appshunter.io/ios/app/4-4-2026/id6764290217)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 無料でお試しする | $4.99 | per 7 days |


### 屋外広告士トレ｜学科 過去問対策

[App page](https://appshunter.io/ios/app/id6808969696)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO（月額） | $2.99 | per month |
| PRO（買い切り） | $5.99 | one-time |


## Frequently asked questions

### Is 乙4 free?

乙4 is free to download, with in-app purchases available.

### Is 屋外広告士トレ｜学科 過去問対策 free?

屋外広告士トレ｜学科 過去問対策 is free to download, with in-app purchases available.

### Do 乙4 or 屋外広告士トレ｜学科 過去問対策 have ads?

屋外広告士トレ｜学科 過去問対策 shows ads; 乙4 does not.

### Which is updated more often, 乙4 or 屋外広告士トレ｜学科 過去問対策?

乙4 ships an update monthly, and 屋外広告士トレ｜学科 過去問対策 every 2 days. Most recently, 乙4 was updated on October 31, 2026 and 屋外広告士トレ｜学科 過去問対策 on October 31, 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.*