# Smart AMP Pro vs 행복기숙사

The clearest difference is in-app purchases: 행복기숙사 at none against Smart AMP Pro's 2. Smart AMP Pro's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smart AMP Pro sells 2 in-app purchases, starting at $3.99 per month. 행복기숙사 asks for nothing beyond the download.

Smart AMP Pro ships an update fortnightly, 행복기숙사 every 3 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Smart AMP Pro | 행복기숙사 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 5 MB | 4 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AlgorKorea Co., Ltd.](https://appshunter.io/developer/1173452285) | [GIBEOM NAM](https://appshunter.io/developer/1782780860) |

## What reviewers say

### Smart AMP Pro

[App page](https://appshunter.io/ios/app/smart-amp-pro/id1515059495)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Annual subscription | $39.99 | per year |


### 행복기숙사

[App page](https://appshunter.io/ios/app/id6738890455)

**In-app purchases:** none


## Frequently asked questions

### Is Smart AMP Pro free?

Smart AMP Pro is free to download, with in-app purchases available.

### Is 행복기숙사 free?

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

### Do Smart AMP Pro or 행복기숙사 have ads?

Neither Smart AMP Pro nor 행복기숙사 shows ads.

### Which is updated more often, Smart AMP Pro or 행복기숙사?

Smart AMP Pro ships an update fortnightly, and 행복기숙사 every 3 weeks. Most recently, Smart AMP Pro was updated on October 29, 2026 and 행복기숙사 on October 28, 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.*