Carlsbro vs D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Carlsbro
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This is the Bluetooth speaker control APP, here you can connect to the speaker, there are many functions, such as music, microphone, guitar volume can be adjusted. In the individual interface there are balancing functions, but also see red sound, high school bass and so on. Let you do not need to touch the Bluetooth speaker, you can control the speaker within a certain distance.
D
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This is the Bluetooth speaker control APP, here you can connect to the speaker, there are many functions, such as music, microphone, guitar volume can be adjusted. In the individual interface there are balancing functions, but also see red sound, high school bass and so on. Let you do not need to touch the Bluetooth speaker, you can control the speaker within a certain distance
Screenshots
Verdict
The clearest difference is update cadence: Carlsbro at every 2 weeks against D's every 5 weeks. D's advantage is iOS requirement (9.0 vs 15). On price, ads, in-app purchases and device support 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.
Carlsbro ships an update every 2 weeks, D every 5 weeks. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.
| Parameter | Carlsbro | D |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15 | 9.0 — better |
| Further details — not scored | ||
| Size | 95 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Soundking Group Co.,Ltd | GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD. |
In-app purchases
Carlsbro
No in-app purchases
D
No in-app purchases
