# SmarterNoise Pro vs DSD Mastering Viewer

The clearest difference is iOS requirement: SmarterNoise Pro at 12.0 against DSD Mastering Viewer's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SmarterNoise Pro sells 4 one-off in-app purchases and DSD Mastering Viewer sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SmarterNoise Pro | DSD Mastering Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (33 ratings)](https://appshunter.io/ios/app/smarternoise-pro/id1466745030/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 12+ | 12+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [Siarhei Hladkou](https://appshunter.io/developer/6782669152) |

## What reviewers say

### SmarterNoise Pro

[App page](https://appshunter.io/ios/app/smarternoise-pro/id1466745030)

This advanced sound level meter app offers detailed audio analysis with features like frequency spectrum display and data export. It allows for precise sound measurements in both video and audio recording modes, with options for A-, C-, or no weighting.

**Highlights:** Sound level measurement in video/audio modes, Frequency spectrum display, Export measurement data (CSV), Sound level activated audio recording, Calibration tool, Full HD video recording (paid)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Camera upgrade | $0.99 | one-time |
| Frequency spectrum indicator | $1.99 | one-time |
| Video and audio recording | $1.99 | one-time |
| Spectrogram display | $1.99 | one-time |


### DSD Mastering Viewer

[App page](https://appshunter.io/ios/app/dsd-mastering-viewer/id6806110367)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Trial | Free | one-time |
| Converter | $99.99 | one-time |
| DSD Viewer | $99.99 | one-time |
| DSD Viewer+Converter | $199.99 | one-time |


## Frequently asked questions

### Is SmarterNoise Pro free?

SmarterNoise Pro is free to download, with in-app purchases available.

### Is DSD Mastering Viewer free?

DSD Mastering Viewer is free to download, with in-app purchases available.

### Do SmarterNoise Pro or DSD Mastering Viewer have ads?

Neither SmarterNoise Pro nor DSD Mastering Viewer shows ads.

---

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