DSP RC vs HSA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DSP RC
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This project is an iOS tool specifically designed for car audio systems, providing an all-in-one solution for audio tuning and control. The app integrates essential features such as EQ (Equalizer), xover (Crossover), and DTA (Digital Time Alignment) to help users fine-tune and optimize audio parameters, ultimately enhancing the in-car listening experience.
HSA
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After connecting App to Car Amplifier with Integrated DSP, EQ, BASS, 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.
Screenshots
Verdict
DSP RC and HSA are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
In-app purchases
DSP RC
No in-app purchases
HSA
No in-app purchases
