# SmarterNoise Pro vs VSV 4x4

The clearest difference is in-app purchases: VSV 4x4 at none against SmarterNoise Pro's 4. SmarterNoise Pro's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SmarterNoise Pro sells 4 one-off in-app purchases. VSV 4x4 asks for nothing beyond the download.

SmarterNoise Pro ships an update monthly, VSV 4x4 every 2 weeks. The most recent releases landed on September 22, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SmarterNoise Pro | VSV 4x4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (31 ratings)](https://appshunter.io/ios/app/smarternoise-pro/id1466745030/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 17 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [ZEAT S.R.L](https://appshunter.io/developer/1895582987) |

## 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 |


### VSV 4x4

[App page](https://appshunter.io/ios/app/vsv-4x4/id6763976245)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmarterNoise Pro free?

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

### Is VSV 4x4 free?

VSV 4x4 is free to download, with no in-app purchases.

### Do SmarterNoise Pro or VSV 4x4 have ads?

Neither SmarterNoise Pro nor VSV 4x4 shows ads.

### Which is updated more often, SmarterNoise Pro or VSV 4x4?

SmarterNoise Pro ships an update monthly, and VSV 4x4 every 2 weeks. Most recently, SmarterNoise Pro was updated on September 22, 2026 and VSV 4x4 on October 3, 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.*