EZDSP PRO vs HSA
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
EZDSP PRO
Read full descriptionHide full description
EZDSP-PRO APP is used to tune an interactive audio signal processor. It offers complete control and adjustments, such as EQ, 6/12/24/48 dB controllable crossover, digital time alignment, grouping, preset and custom settings memory. The versatility is endless. All adjustments and DSP functionality are configureed via smartphone, tablet or PC with EZDSP-PRO APP installed.
HSA
Read full descriptionHide full description
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 βConnectβ icon in left corner of bottom. Amplifier will be connected to App automatically. 4.DIY you preferred sound and then click βSave to AMPβ icon to save. Or click β Save to Phoneβ to save. NoteοΌ 1.Do not exit app during saving and do not turn off power supply, program may be shut down caused by this.
Screenshots
Verdict
The clearest difference is update cadence: HSA at every 3 weeks against EZDSP PRO's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EZDSP PRO ships an update every 4 months, HSA every 3 weeks. The most recent releases landed on May 15, 2026 and September 20, 2026 respectively.
| Parameter | EZDSP PRO | HSA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 11.0 β better | 12.0 |
| Further details β not scored | ||
| Size | 17 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | ζζ ι‘Ύ | ζη ε’ |
In-app purchases
EZDSP PRO
No in-app purchases
HSA
No in-app purchases
