# DspApp vs HSA

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.

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.

## The numbers

| Metric | DspApp | HSA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dspapp/id1187499346/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [国洪 谢](https://appshunter.io/developer/1187499345) | [杏生 卢](https://appshunter.io/developer/1094592555) |

## What reviewers say

### DspApp

[App page](https://appshunter.io/ios/app/dspapp/id1187499346)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### HSA

[App page](https://appshunter.io/ios/app/hsa-dsp31pro/id1586421043)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DspApp free?

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

### Is HSA free?

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

### Do DspApp or HSA have ads?

Neither DspApp nor HSA shows ads.

### Which is updated more often, DspApp or HSA?

DspApp ships an update every 2 weeks, and HSA every 3 weeks. Most recently, DspApp was updated on June 25, 2026 and HSA on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*