# 열공메이트 vs PureStudy

The clearest difference is in-app purchases: 열공메이트 at none against PureStudy's 2. PureStudy's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PureStudy sells 2 in-app purchases, starting at $1.99 per month. 열공메이트 asks for nothing beyond the download.

열공메이트 ships an update weekly, PureStudy every 3 days. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 열공메이트 | PureStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 76 MB | 182 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [dongsik lee](https://appshunter.io/developer/1881466956) | [chanhyeok choi](https://appshunter.io/developer/1799983470) |

## What reviewers say

### 열공메이트

[App page](https://appshunter.io/ios/app/id6759892516)

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

**In-app purchases:** none


### PureStudy

[App page](https://appshunter.io/ios/app/purestudy-camera-focus-timer/id6766282371)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PureStudy Pro Monthly | $1.99 | per month |
| PureStudy Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is 열공메이트 free?

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

### Is PureStudy free?

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

### Do 열공메이트 or PureStudy have ads?

Neither 열공메이트 nor PureStudy shows ads.

### Which is updated more often, 열공메이트 or PureStudy?

열공메이트 ships an update weekly, and PureStudy every 3 days. Most recently, 열공메이트 was updated on September 17, 2026 and PureStudy on September 23, 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.*