# SoundMeter X vs nocki Vision

The clearest difference is in-app purchases: nocki Vision at none against SoundMeter X's 7. nocki Vision also leads on iOS requirement (16.0 vs 18.6). SoundMeter X's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. SoundMeter X sells 7 in-app purchases, starting at $4.99 per month. nocki Vision asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SoundMeter X | nocki Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (45 ratings)](https://appshunter.io/ios/app/soundmeter-x/id1348050232/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 22.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 46 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) | [Trustay Co.,Ltd](https://appshunter.io/developer/1610652922) |

## What reviewers say

### SoundMeter X

[App page](https://appshunter.io/ios/app/soundmeter-x/id1348050232)

Transform your device into a professional sound level meter, noise dosimeter, and spectrum analyzer. Log data, calibrate sensitivity, and analyze audio with advanced features. Offers a free trial for premium functionalities.

**Highlights:** Handheld data-logging sound level meter, Data-logging noise dosimeter, Real-time octave spectrum analyzer, Multi-channel data recorder, Stereo signal generator, Sensitivity calibration, Data logging in CSV, TXT, MAT, and PDF

**Features:** Family Sharing, Apple Watch app, iPhone Duo support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundMeter Pro, 1 Month | $4.99 | per month |
| Pro Tool Set, 1 Month | $24.99 | per month |
| SoundMeter Pro, 1 Year | $49.99 | per year |
| Pro Tool Set, 1 Year | $249.99 | per year |
| 14-day Free Trial, SoundMeter Pro | Free | one-time |
| SoundMeter Pro 2026 Upgrade | $29.99 | one-time |
| SoundMeter Pro 2026 | $99.99 | one-time |


### nocki Vision

[App page](https://appshunter.io/ios/app/nocki-vision/id6759699358)

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

**In-app purchases:** none


## Frequently asked questions

### Is SoundMeter X free?

SoundMeter X is free to download, with in-app purchases available.

### Is nocki Vision free?

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

### Do SoundMeter X or nocki Vision have ads?

Neither SoundMeter X nor nocki Vision shows ads.

### Which is updated more often, SoundMeter X or nocki Vision?

SoundMeter X ships an update every 3 weeks, and nocki Vision every 3 weeks. Most recently, SoundMeter X was updated on November 3, 2026 and nocki Vision on November 5, 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.*