# EZDSP PRO vs HSA

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.

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.

## The numbers

| Metric | EZDSP PRO | HSA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 17 MB | 5 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文栋 顾](https://appshunter.io/developer/1460789214) | [杏生 卢](https://appshunter.io/developer/1094592555) |

## What reviewers say

### EZDSP PRO

[App page](https://appshunter.io/ios/app/ezdsp-pro/id1563714092)

**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 EZDSP PRO free?

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

### Is HSA free?

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

### Do EZDSP PRO or HSA have ads?

Neither EZDSP PRO nor HSA shows ads.

### Which is updated more often, EZDSP PRO or HSA?

EZDSP PRO ships an update every 4 months, and HSA every 3 weeks. Most recently, EZDSP PRO was updated on May 15, 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.*