# SoundMeter X vs Building Acoustics Partner

The clearest difference is in-app purchases: Building Acoustics Partner at none against SoundMeter X's 7. Building Acoustics Partner also leads on iOS requirement (15.0 vs 18.6). SoundMeter X's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads and device support there is nothing between them.

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

SoundMeter X ships an update every 3 weeks, Building Acoustics Partner every 4 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | SoundMeter X | Building Acoustics Partner |
| --- | --- | --- |
| 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 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 210 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) | [Hottinger Bruel & Kjaer A/S](https://appshunter.io/developer/622515894) |

## 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 |


### Building Acoustics Partner

[App page](https://appshunter.io/ios/app/building-acoustics-partner/id1487977751)

**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 Building Acoustics Partner free?

Building Acoustics Partner is free to download, with no in-app purchases.

### Do SoundMeter X or Building Acoustics Partner have ads?

Neither SoundMeter X nor Building Acoustics Partner shows ads.

### Which is updated more often, SoundMeter X or Building Acoustics Partner?

SoundMeter X ships an update every 3 weeks, and Building Acoustics Partner every 4 months. Most recently, SoundMeter X was updated on October 29, 2026 and Building Acoustics Partner on October 29, 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.*