# Haruda Focus vs 공부특별시

The clearest difference is ads: 공부특별시 at none against Haruda Focus's shown. 공부특별시 also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Haruda Focus sells 2 one-off in-app purchases and 공부특별시 sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Haruda Focus ships an update every 4 days, 공부특별시 every 5 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Haruda Focus | 공부특별시 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/haruda-focus-study-timer/id1571032496/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free | — |
| Size | 49 MB | 56 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DaeMyeong Lee](https://appshunter.io/developer/1537291429) | [공부특별시](https://appshunter.io/developer/1871376760) |

## What reviewers say

### Haruda Focus

[App page](https://appshunter.io/ios/app/haruda-focus-study-timer/id1571032496)

Turn focused study sessions into a game with this timer app. It uses the Pomodoro technique to help you measure and improve your concentration. Feel real focus and achieve more.

**Highlights:** Pomodoro technique timer, Study time measurement, Focus improvement, Gamified concentration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $0.99 | one-time |
| Lifetime | $4.99 | one-time |


### 공부특별시

[App page](https://appshunter.io/ios/app/id6759274197)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 스탠다드 월간 구독 | $6.99 | per month |
| 프리미엄 월간 구독 | $19.99 | per month |
| 스탠다드 연간 구독 | $69.99 | per year |
| 프리미엄 연간 구독 | $199.99 | per year |


## Frequently asked questions

### Is Haruda Focus free?

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

### Is 공부특별시 free?

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

### Do Haruda Focus or 공부특별시 have ads?

Haruda Focus shows ads; 공부특별시 does not.

### Which is updated more often, Haruda Focus or 공부특별시?

Haruda Focus ships an update every 4 days, and 공부특별시 every 5 days. Most recently, Haruda Focus was updated on October 24, 2026 and 공부특별시 on October 6, 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.*