# 키즈토리 STEP 2 vs 숙제AI도우미

The clearest difference is in-app purchases: 키즈토리 STEP 2 at none against 숙제AI도우미's 2. 키즈토리 STEP 2 also leads on iOS requirement (12.4 vs 15.1). 숙제AI도우미's advantage is update cadence (daily vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. 숙제AI도우미 sells 2 in-app purchases, starting at $2.99 per month. 키즈토리 STEP 2 asks for nothing beyond the download.

키즈토리 STEP 2 ships an update monthly, 숙제AI도우미 daily. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 키즈토리 STEP 2 | 숙제AI도우미 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 98 MB | 51 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [NODELABS.Co.,Ltd.](https://appshunter.io/developer/6771668308) |

## What reviewers say

### 키즈토리 STEP 2

[App page](https://appshunter.io/ios/app/step-2/id1209395423)

**In-app purchases:** none


### 숙제AI도우미

[App page](https://appshunter.io/ios/app/ai/id6776913338)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HomeworkAI Premium | $2.99 | per month |
| HomeworkAI Premium | $29.99 | per year |


## Frequently asked questions

### Is 키즈토리 STEP 2 free?

키즈토리 STEP 2 is free to download, with no in-app purchases.

### Is 숙제AI도우미 free?

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

### Do 키즈토리 STEP 2 or 숙제AI도우미 have ads?

Neither 키즈토리 STEP 2 nor 숙제AI도우미 shows ads.

### Which is updated more often, 키즈토리 STEP 2 or 숙제AI도우미?

키즈토리 STEP 2 ships an update monthly, and 숙제AI도우미 daily. Most recently, 키즈토리 STEP 2 was updated on October 6, 2026 and 숙제AI도우미 on October 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.*