# 알지스터디 (RG STUDY) vs 세모(Semo)

The clearest difference is update cadence: 세모(Semo) at every 2 weeks against 알지스터디 (RG STUDY)'s every 4 months. 알지스터디 (RG STUDY)'s advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

알지스터디 (RG STUDY) ships an update every 4 months, 세모(Semo) every 2 weeks. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 알지스터디 (RG STUDY) | 세모(Semo) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 134 MB | 30 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tobesmart,inc](https://appshunter.io/developer/1449538915) | [JIHUN PARK](https://appshunter.io/developer/1876526356) |

## What reviewers say

### 알지스터디 (RG STUDY)

[App page](https://appshunter.io/ios/app/rg-study/id1555001147)

**In-app purchases:** none


### 세모(Semo)

[App page](https://appshunter.io/ios/app/semo/id6759047269)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 알지스터디 (RG STUDY) free?

알지스터디 (RG STUDY) is free to download, with no in-app purchases.

### Is 세모(Semo) free?

세모(Semo) is free to download, with no in-app purchases.

### Do 알지스터디 (RG STUDY) or 세모(Semo) have ads?

Neither 알지스터디 (RG STUDY) nor 세모(Semo) shows ads.

### Which is updated more often, 알지스터디 (RG STUDY) or 세모(Semo)?

알지스터디 (RG STUDY) ships an update every 4 months, and 세모(Semo) every 2 weeks. Most recently, 알지스터디 (RG STUDY) was updated on September 19, 2026 and 세모(Semo) on September 11, 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.*