# SoundMeter X vs DUE AI

The clearest difference is iOS requirement: DUE AI at 15.0 against SoundMeter X's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SoundMeter X sells 7 in-app purchases, starting at $4.99 per month and DUE AI sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

SoundMeter X ships an update fortnightly, DUE AI weekly. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SoundMeter X | DUE AI |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 15 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) | [NewApp UU](https://appshunter.io/developer/6778177059) |

## 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 |


### DUE AI

[App page](https://appshunter.io/ios/app/due-ai/id6778177057)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Spoil Ai pro | $7.99 | per month |
| No Spoil Ai pro | $59.99 | per year |


## Frequently asked questions

### Is SoundMeter X free?

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

### Is DUE AI free?

DUE AI is free to download, with in-app purchases available.

### Do SoundMeter X or DUE AI have ads?

Neither SoundMeter X nor DUE AI shows ads.

### Which is updated more often, SoundMeter X or DUE AI?

SoundMeter X ships an update fortnightly, and DUE AI weekly. Most recently, SoundMeter X was updated on November 11, 2026 and DUE AI 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.*