# AP투자연구소 vs 뭐(라)하지?

The clearest difference is in-app purchases: AP투자연구소 at none against 뭐(라)하지?'s 4. AP투자연구소 also leads on ads (none vs shown). 뭐(라)하지?'s advantage is update cadence (fortnightly vs every 27 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 뭐(라)하지? sells 4 in-app purchases, starting at $4.99 per 7 days. AP투자연구소 asks for nothing beyond the download.

AP투자연구소 ships an update every 27 months, 뭐(라)하지? fortnightly. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | AP투자연구소 | 뭐(라)하지? |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Fortnightly** |
| Size | 10 MB | 32 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Juwon Im](https://appshunter.io/developer/1585749488) | [CHOI HUN](https://appshunter.io/developer/6792253053) |

## What reviewers say

### AP투자연구소

[App page](https://appshunter.io/ios/app/ap/id6535654518)

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

**In-app purchases:** none


### 뭐(라)하지?

[App page](https://appshunter.io/ios/app/id6792253051)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7일 구독 | $4.99 | per 7 days |
| 크레딧 10개 | $2.99 | one-time |
| 크레딧 30개 | $5.99 | one-time |
| 크레딧 50개 | $9.99 | one-time |


## Frequently asked questions

### Is AP투자연구소 free?

AP투자연구소 is free to download, with no in-app purchases.

### Is 뭐(라)하지? free?

뭐(라)하지? is free to download, with in-app purchases available.

### Do AP투자연구소 or 뭐(라)하지? have ads?

뭐(라)하지? shows ads; AP투자연구소 does not.

### Which is updated more often, AP투자연구소 or 뭐(라)하지??

AP투자연구소 ships an update every 27 months, and 뭐(라)하지? fortnightly. Most recently, AP투자연구소 was updated on October 27, 2026 and 뭐(라)하지? on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*