# Impulso vs SoundMeter X

The clearest difference is rating: SoundMeter X at 3.6 against Impulso's 1.6. SoundMeter X also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (23% vs 12%). Impulso's advantage is in-app purchases (none vs 7) and iOS requirement (12.0 vs 18.6). On price, ratings volume, 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. Impulso asks for nothing beyond the download.

SoundMeter X holds the better App Store score, 3.6 against 1.6. Both are backed by a comparable volume of ratings — 16 and 45 respectively. Written reviews point the same way: 12% of Impulso's written reviews are positive against 23% of SoundMeter X's.

Impulso ships an update every 3 months, SoundMeter X every 3 weeks. Both last shipped on October 21, 2026.

## The numbers

| Metric | Impulso | SoundMeter X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (16 ratings)](https://appshunter.io/ios/app/impulso/id991324137/reviews) | **[3.6 (45 ratings)](https://appshunter.io/ios/app/soundmeter-x/id1348050232/reviews)** |
| Number of ratings | 16 | **45** |
| Positive reviews | 11.5% of reviews | **22.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 18 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Artnovion LDA](https://appshunter.io/developer/991324136) | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) |

## What reviewers say

### Impulso

[App page](https://appshunter.io/ios/app/impulso/id991324137)

Measure your room's acoustic response and simulate improvements with acoustic products. Visualize reverberation time and optimize room acoustics for different room types. Supports internal or external microphones and impulse sources.

**Highlights:** Acoustic response measurement, Reverberation time visualization, Acoustic product simulation, Room dimension input, Room type optimization, Internal/external microphone support

**Features:** Vision Pro support

**In-app purchases:** none


### 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

**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 |


## Frequently asked questions

### Is Impulso free?

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

### Is SoundMeter X free?

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

### Which has better reviews, Impulso or SoundMeter X?

SoundMeter X is rated higher. Impulso averages 1.6 out of 5 from 16 ratings, while SoundMeter X averages 3.6 from 45 ratings.

### Do Impulso or SoundMeter X have ads?

Neither Impulso nor SoundMeter X shows ads.

### Which is updated more often, Impulso or SoundMeter X?

Impulso ships an update every 3 months, and SoundMeter X every 3 weeks. Most recently, Impulso was updated on October 21, 2026 and SoundMeter X on October 21, 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.*