Power car C.H.A9 vs bdsound
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Power car C.H.A9
This device enhances vehicle performance by controlling the throttle. It offers a simple way to improve your car's responsiveness and driving experience.
- Enhances vehicle performance
- Controls throttle
- Improves responsiveness
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Power Car CHA9 throttle controller is the device which can enhance your vehicle's performance.
bdsound
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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: bdsound at every 2 months against Power car C.H.A9's every 3 months. bdsound also leads on iOS requirement (9.0 vs 12.0). 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.
Power car C.H.A9 ships an update every 3 months, bdsound every 2 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.
| Parameter | Power car C.H.A9 | bdsound |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 101 MB |
| Age rating | 17+ | 4+ |
| Developer | Kimsroeurn Sokchea | GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD. |
In-app purchases
Power car C.H.A9
No in-app purchases
bdsound
No in-app purchases









