# DSP vs DSP sound master

DSP and DSP sound master are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DSP ships an update every 5 months, DSP sound master every 9 months. The most recent releases landed on September 21, 2026 and April 22, 2026 respectively.

## The numbers

| Metric | DSP | DSP sound master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 9 months |
| Size | 7 MB | 24 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [明武 伍](https://appshunter.io/developer/1622511470) | [师贤 陈](https://appshunter.io/developer/1754678152) |

## What reviewers say

### DSP

[App page](https://appshunter.io/ios/app/dsp-480/id6474292838)

**Features:** macOS Compatibility

**In-app purchases:** none


### DSP sound master

[App page](https://appshunter.io/ios/app/dsp-sound-master/id6511249208)

**In-app purchases:** none


## Frequently asked questions

### Is DSP free?

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

### Is DSP sound master free?

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

### Do DSP or DSP sound master have ads?

Neither DSP nor DSP sound master shows ads.

### Which is updated more often, DSP or DSP sound master?

DSP ships an update every 5 months, and DSP sound master every 9 months. Most recently, DSP was updated on September 21, 2026 and DSP sound master on April 22, 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.*