# SoundMeter X vs SPL Meter

The clearest difference is review sentiment: SPL Meter at 100% against SoundMeter X's 23%. SPL Meter also leads on rating (4.9 vs 3.6) and iOS requirement (12.0 vs 18.6). SoundMeter X's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (45 vs 14). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. SoundMeter X sells 7 in-app purchases, starting at $4.99 per month and SPL Meter sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SPL Meter holds the better App Store score, 4.9 against 3.6. Both are backed by a comparable volume of ratings — 45 and 14 respectively. Written reviews point the same way: 23% of SoundMeter X's written reviews are positive against 100% of SPL Meter's.

SoundMeter X ships an update fortnightly, SPL Meter every 2 months. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SoundMeter X | SPL Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (45 ratings)](https://appshunter.io/ios/app/soundmeter-x/id1348050232/reviews) | **[4.9 (14 ratings)](https://appshunter.io/ios/app/spl-meter-db-noise-tool/id6751081307/reviews)** |
| Number of ratings | **45** | 14 |
| Positive reviews | 22.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 18 MB | 32 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) | [CODIGITAL SOLUTIONS](https://appshunter.io/developer/1829802387) |

## What reviewers say

### SoundMeter X

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

Transform your device into a professional sound measurement tool. Analyze audio levels, record data, and generate signals with advanced features like octave band analysis and noise dosimetry. Offers a free download with optional in-app purchases for expanded functionality.

**Highlights:** Sound level measurement (SLM), Noise dosimetry, Octave band spectrum analysis, Data logging (CSV, TXT, MAT), Stereo signal generator, Sensitivity calibration, Real-time audio analysis

**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 |


### SPL Meter

[App page](https://appshunter.io/ios/app/spl-meter-db-noise-tool/id6751081307)

Transform your device into a professional sound level meter to measure decibels in real-time. Monitor noise levels, visualize sound frequencies, and track your exposure to ensure safe hearing limits.

**Highlights:** Accurate noise level detection, Live audio monitoring, Professional calibration, Detailed noise history, Advanced spectrogram view, Noise exposure tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $2.99 | per 7 days |
| Pro Access | $4.99 | per month |
| Pro Access | $29.99 | per year |


## Frequently asked questions

### Is SoundMeter X free?

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

### Is SPL Meter free?

SPL Meter is free to download, with in-app purchases available.

### Which has better reviews, SoundMeter X or SPL Meter?

SPL Meter is rated higher. SoundMeter X averages 3.6 out of 5 from 45 ratings, while SPL Meter averages 4.9 from 14 ratings.

### Do SoundMeter X or SPL Meter have ads?

Neither SoundMeter X nor SPL Meter shows ads.

### Which is updated more often, SoundMeter X or SPL Meter?

SoundMeter X ships an update fortnightly, and SPL Meter every 2 months. Most recently, SoundMeter X was updated on November 11, 2026 and SPL Meter on October 30, 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.*