DspApp vs HSA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DspApp
Control your karaoke audio device wirelessly via WiFi. Adjust audio/video sources, music, mic, and output volumes. Fine-tune echo, reverb, and EQ settings for music and microphones. Save and load custom user modes.
- WiFi audio device control
- Adjust audio/video input
- Control music and mic volume
- Six output volume control
- Echo and reverb parameter tuning
- Music and mic EQ adjustments
- Load six user modes
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With DspApp app , you can control your specific karaoke audio device via WiFi connection.You can tune : audio and video input source, music, mic and effect volume, all six output volume, echo and reverb parameters , music EQ and mic EQ. And you can load six user modes.
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. Note： 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 iOS requirement: DspApp at 8.0 against HSA's 12.0. On price, update cadence, ads and in-app purchases 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.
DspApp ships an update every 2 weeks, HSA every 3 weeks. The most recent releases landed on June 25, 2026 and September 20, 2026 respectively.
| Parameter | DspApp | HSA |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | 国洪 谢 | 杏生 卢 |
In-app purchases
DspApp
No in-app purchases
HSA
No in-app purchases
