# HSA vs KZAUDIO

The clearest difference is update cadence: KZAUDIO at fortnightly against HSA's every 2 months. HSA's advantage is iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HSA ships an update every 2 months, KZAUDIO fortnightly. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HSA | KZAUDIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (3 ratings)](https://appshunter.io/ios/app/kzaudio/id6743524681/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 10 MB | 59 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [Shenzhen Yuanze Electronic Co., Ltd](https://appshunter.io/developer/1800609650) |

## What reviewers say

### HSA

[App page](https://appshunter.io/ios/app/hsa-dsppro/id1323479757)

**Features:** macOS Compatibility

**In-app purchases:** none


### KZAUDIO

[App page](https://appshunter.io/ios/app/kzaudio/id6743524681)

This app enhances your audio device experience by allowing firmware updates, detailed device information management, and customizable gesture controls. Optimize your sound with various audio modes, codecs, and a dedicated gaming mode for reduced latency. It also features smart mode switching, device finding, and dual-device connectivity.

**Highlights:** Firmware updates, Device information management, Customizable gesture controls, LDAC/AptX codec support, Smart mode switching, Gaming mode for low latency, Find my earbuds feature

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HSA free?

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

### Is KZAUDIO free?

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

### Do HSA or KZAUDIO have ads?

Neither HSA nor KZAUDIO shows ads.

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

HSA ships an update every 2 months, and KZAUDIO fortnightly. Most recently, HSA was updated on October 26, 2026 and KZAUDIO on October 30, 2026.

---

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