# 오답케어 vs 세모(Semo)

The clearest difference is in-app purchases: 세모(Semo) at none against 오답케어's 2. 세모(Semo) also leads on update cadence (every 2 weeks vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 오답케어 sells 2 in-app purchases, starting at $6.99 per month. 세모(Semo) asks for nothing beyond the download.

오답케어 ships an update every 4 weeks, 세모(Semo) every 2 weeks. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 오답케어 | 세모(Semo) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Size | 69 MB | 30 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EVERYGROUND](https://appshunter.io/developer/1594981738) | [JIHUN PARK](https://appshunter.io/developer/1876526356) |

## What reviewers say

### 오답케어

[App page](https://appshunter.io/ios/app/id6752594484)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 오답노트 프로 (월간) | $6.99 | per month |
| 오답노트 프로 (연간) | $69.99 | per year |


### 세모(Semo)

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 오답케어 free?

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

### Is 세모(Semo) free?

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

### Do 오답케어 or 세모(Semo) have ads?

Neither 오답케어 nor 세모(Semo) shows ads.

### Which is updated more often, 오답케어 or 세모(Semo)?

오답케어 ships an update every 4 weeks, and 세모(Semo) every 2 weeks. Most recently, 오답케어 was updated on October 30, 2026 and 세모(Semo) on November 9, 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.*