Comparison

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.

Head to head
About

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.

Highlights
  • Enhances vehicle performance
  • Controls throttle
  • Improves responsiveness
Features
Read full description

Power Car CHA9 throttle controller is the device which can enhance your vehicle's performance.

About

bdsound

Features
Read full description

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

Power car C.H.A94 screens
bdsound4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
Power car C.H.A9 versus bdsound: the parameters behind the verdict, then further details
ParameterPower car C.H.A9bdsound
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.09.0 — better
Further details — not scored
Size18 MB101 MB
Age rating17+4+
DeveloperKimsroeurn SokcheaGUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD.

In-app purchases

None

Power car C.H.A9

No in-app purchases

None

bdsound

No in-app purchases

Questions

Is Power car C.H.A9 free?
Power car C.H.A9 is free to download, with no in-app purchases.
Is bdsound free?
bdsound is free to download, with no in-app purchases.
Do Power car C.H.A9 or bdsound have ads?
Neither Power car C.H.A9 nor bdsound shows ads.
Which is updated more often, Power car C.H.A9 or bdsound?
Power car C.H.A9 ships an update every 3 months, and bdsound every 2 months. Most recently, Power car C.H.A9 was updated on October 30, 2026 and bdsound on October 27, 2026.

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