# DSP vs DAC Tester

The clearest difference is in-app purchases: DSP at none against DAC Tester's 1. DSP also leads on ads (none vs shown) and iOS requirement (13.1 vs 15.0). On price and device support there is nothing between them.

Both are free to download. DAC Tester sells 1 one-off in-app purchase. DSP asks for nothing beyond the download.

## The numbers

| Metric | DSP | DAC Tester |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Size | 3 MB | 4 MB |
| Requires iOS | **13.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [东山 谢](https://appshunter.io/developer/1634156531) | [明 张](https://appshunter.io/developer/1696039450) |

## What reviewers say

### DSP

[App page](https://appshunter.io/ios/app/dsp-1212/id6476022175)

**Features:** macOS Compatibility

**In-app purchases:** none


### DAC Tester

[App page](https://appshunter.io/ios/app/dac-tester/id6744589341)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is DSP free?

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

### Is DAC Tester free?

DAC Tester is free to download, with in-app purchases available.

### Do DSP or DAC Tester have ads?

DAC Tester shows ads; DSP does not.

---

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