Comparison

HSA vs KOSO Magic

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

HSA

Features

Read full description

After connecting App to Car Amplifier with Integrated DSP, EQ, BASS, 3D SOUND,TIME ALIGNMENT, PHASE, MUTE, FILTER , SAVE SOUND SETTING TO PHONE, SAVE SOUND SETTING TO AMPLIFIER, LOAD SOUND SETTING FROM PHONE, RCA OUTPUT etc could be controlled through this App. How to use: 1.Install App and turn on power of car 2. Turn on Bluetooth on your iPhone 3,Open App and wait for around 5 seconds, then click “Connect” icon in left corner of bottom. Amplifier will be connected to App automatically. 4.DIY you preferred sound and then click “Save to AMP” icon to save. Or click “ Save to Phone” to save. Note： 1.Do not exit app during saving and do not turn off power supply, program may be shut down caused by this.

About

KOSO Magic

Features

Read full description

KOSO Magic is a tool used through a mobile app to adjust KOSO's motorcycle turn signals. It connects via Bluetooth and is used to adjust the turn signal flashing frequency, interval, flashing sound effects, and volume. By connecting to the device's network, you can also upload custom sound files to use as flashing sound effects.

Screenshots

HSA4 screens

KOSO Magic4 screens

Verdict

The call

The clearest difference is in-app purchases: HSA at none against KOSO Magic's 4. HSA also leads on iOS requirement (9.0 vs 15.0). KOSO Magic's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads 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. KOSO Magic sells 4 one-off in-app purchases. HSA asks for nothing beyond the download.

UpkeepUpdate frequency

HSA ships an update every 2 months, KOSO Magic every 3 weeks. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 3 level

HSA versus KOSO Magic: the parameters behind the verdict, then further details
Parameter	HSA	KOSO Magic
Price	Free	Free
Update frequency	Every 2 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	9.0 — better	15.0
Further details — not scored
Size	5 MB	110 MB
Age rating	4+	4+
Developer	杏生卢	Tong Yah Electronic Technology Co., Ltd.

In-app purchases

None

HSA

No in-app purchases

4 purchases

KOSO Magic

One-time4

30 KOSO COINS$0.99
60 KOSO COINS$1.99
120 KOSO COINS$3.99

Show 1 more

240 KOSO COINS$6.99

Questions

Is HSA free?

HSA is free to download, with no in-app purchases.

Is KOSO Magic free?

KOSO Magic is free to download, with in-app purchases available.

Do HSA or KOSO Magic have ads?

Neither HSA nor KOSO Magic shows ads.

Which is updated more often, HSA or KOSO Magic?

HSA ships an update every 2 months, and KOSO Magic every 3 weeks. Most recently, HSA was updated on October 5, 2026 and KOSO Magic on October 3, 2026.