# 오답케어 vs WoofNote

The clearest difference is update cadence: WoofNote at daily against 오답케어's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 오답케어 sells 2 in-app purchases, starting at $6.99 per month and WoofNote sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

오답케어 ships an update every 4 weeks, WoofNote daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 오답케어 | WoofNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Daily** |
| Size | 69 MB | 63 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EVERYGROUND](https://appshunter.io/developer/1594981738) | [Hyeon Jin Ko](https://appshunter.io/developer/1871874564) |

## 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 |


### WoofNote

[App page](https://appshunter.io/ios/app/woofnote-quiz-notes/id6785422995)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WoofNote Pro (1 Month) | $3.99 | per month |
| WoofNote Pro (3 Months) | $7.99 | per 3 months |
| WoofNote Pro (1 Year) | $20.99 | per year |


## Frequently asked questions

### Is 오답케어 free?

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

### Is WoofNote free?

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

### Do 오답케어 or WoofNote have ads?

Neither 오답케어 nor WoofNote shows ads.

### Which is updated more often, 오답케어 or WoofNote?

오답케어 ships an update every 4 weeks, and WoofNote daily. Most recently, 오답케어 was updated on October 24, 2026 and WoofNote on October 25, 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.*