TTOK vs Hearing test instruments
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TTOK
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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。
Hearing test instruments
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一款连接蓝牙耳机调节音量大小的应用
Screenshots
Verdict
The clearest difference is iOS requirement: Hearing test instruments at 12.1 against TTOK's 15. 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.
TTOK ships an update monthly, Hearing test instruments every 5 weeks. The most recent releases landed on September 15, 2026 and May 17, 2026 respectively.
| Parameter | TTOK | Hearing test instruments |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15 | 12.1 — better |
| Further details — not scored | ||
| Size | 102 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD. | Cemho Medical Technology (Guangdong) Co., Ltd |
In-app purchases
TTOK
No in-app purchases
Hearing test instruments
No in-app purchases
