# 元创岛 vs SMTST KK

The clearest difference is in-app purchases: SMTST KK at none against 元创岛's 10. SMTST KK also leads on ads (none vs shown). 元创岛's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 元创岛 sells 10 one-off in-app purchases. SMTST KK asks for nothing beyond the download.

元创岛 ships an update fortnightly, SMTST KK every 4 weeks. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 元创岛 | SMTST KK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Size | 95 MB | 115 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [北京小问智能科技有限公司](https://appshunter.io/developer/1633046072) | [Shenzhen Anxinlian Technolog.LTD](https://appshunter.io/developer/1746289368) |

## What reviewers say

### 元创岛

[App page](https://appshunter.io/ios/app/id6478521050)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 背景音30分钟 | $1.99 | one-time |
| 背景音60分钟 | $3.99 | one-time |
| 背景音120分钟 | $4.99 | one-time |
| 加油包10次 | $6.99 | one-time |
| 背景音240分钟 | $9.99 | one-time |
| 加油包20次 | $12.99 | one-time |
| 1个月会员 | $19.99 | one-time |
| 加油包30次 | $19.99 | one-time |
| 加油包50次 | $29.99 | one-time |
| 6个月会员 | $99.99 | one-time |


### SMTST KK

[App page](https://appshunter.io/ios/app/smtst-kk/id6755685986)

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

**In-app purchases:** none


## Frequently asked questions

### Is 元创岛 free?

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

### Is SMTST KK free?

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

### Do 元创岛 or SMTST KK have ads?

元创岛 shows ads; SMTST KK does not.

### Which is updated more often, 元创岛 or SMTST KK?

元创岛 ships an update fortnightly, and SMTST KK every 4 weeks. Most recently, 元创岛 was updated on October 20, 2026 and SMTST KK on October 10, 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.*