S4_control vs DKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S4_control
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在这里你可以连接上音箱，里面有许多功能，比如音乐，麦克风，吉他音量都是可以调节的。在个别界面还有均衡功能，也还有见红音效，高中低音等。 让你无须接触蓝牙音箱，在一定距离内就可以控制音箱了。
DKit
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DKit用于管理、编辑iE550综合效果器。您可以用它来详细调节音色等。 ●简洁明了的UI DKit具备便捷的操作流程和直观易用的界面设计，所有关键要素均清晰展现于用户眼前。用户可通过DKit对iE550进行详尽而细致的调节。 ● 导入、导出及备份您的数据 您可以通过DKit实现音色文件的导入与导出功能，并且同样支持IR文件的导入。在必要时，您可以随时对所有数据进行备份，以确保未来能够随时恢复。 了解更多DK信息，请登陆：https://www.dk-music.cn This app is designed to manage the iE550. With this app, you can access the full effects chain/parameters, download/upload tones, and more. ● Intuitive User Interface The DKit boasts an uncomplicated and user-friendly interface, simplifying the process of adjusting parameters effortlessly. ● Import/Export and Backup The app allows you not only to import/export the tones you've downloaded but also to import Impulse Responses (IR). Always remember to back up your data when necessary! For more information: https://www.dk-music.cn
Screenshots
Verdict
The clearest difference is iOS requirement: S4_control at 9.0 against DKit's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
S4_control ships an update every 9 months, DKit every 7 months. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.
| Parameter | S4_control | DKit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 108 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD. | 珠海大咖电子科技开发有限公司 |
In-app purchases
S4_control
No in-app purchases
DKit
No in-app purchases
