# 集中の木 vs StudyQuest

The clearest difference is in-app purchases: 集中の木 at none against StudyQuest's 10. 集中の木 also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. StudyQuest sells 10 in-app purchases, starting at $2.99 per month. 集中の木 asks for nothing beyond the download.

## The numbers

| Metric | 集中の木 | StudyQuest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 days |
| Size | 38 MB | 31 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kizuna yoshihara](https://appshunter.io/developer/1807732321) | [Yusuke Tsukahara](https://appshunter.io/developer/1896626826) |

## What reviewers say

### 集中の木

[App page](https://appshunter.io/ios/app/zentree/id6758343120)

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

**In-app purchases:** none


### StudyQuest

[App page](https://appshunter.io/ios/app/studyquest-study-rpg/id6769060671)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |
| First-Time Gold Pack | $1.99 | one-time |
| 300 Gold | $1.99 | one-time |
| 650 Gold | $3.99 | one-time |
| Starter Pack | $5.99 | one-time |
| 1,500 Gold | $6.99 | one-time |
| 3,800 Gold | $17.99 | one-time |
| 6,800 Gold | $29.99 | one-time |
| 15,000 Gold | $59.99 | one-time |


## Frequently asked questions

### Is 集中の木 free?

集中の木 is free to download, with no in-app purchases.

### Is StudyQuest free?

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

### Do 集中の木 or StudyQuest have ads?

StudyQuest shows ads; 集中の木 does not.

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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.*