TRETTITRE vs KO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TRETTITRE
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纯粹声学（深圳）科技有限公司研发的专业蓝牙音响控制软件，您可以通过连接音响设备，对其进行开关机、调节音量、灯光以及声音曲线风格的切换，等等。
KO
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KO-STAR APP is an intelligent control application designed for KO-STAR wireless audio products. Through a rich human-machine interface, it reveals more features of the products, further enhancing their value and enabling personalized usage.
Screenshots
Verdict
The clearest difference is iOS requirement: TRETTITRE at 12.0 against KO's 15.6. 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.
TRETTITRE ships an update every 6 weeks, KO every 5 weeks. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.
| Parameter | TRETTITRE | KO |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 61 MB | 44 MB |
| Age rating | 17+ | 4+ |
| Developer | TRETTITRE (SHENZHEN) TECHNOLOGY CO., LTD. | 深圳市贝诗沃德科技有限公司 |
In-app purchases
TRETTITRE
No in-app purchases
KO
No in-app purchases
