# SoundMess Lab vs Audio Spectrum Pro

The clearest difference is in-app purchases: Audio Spectrum Pro at none against SoundMess Lab's 1. Audio Spectrum Pro also leads on update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SoundMess Lab sells 1 one-off in-app purchase. Audio Spectrum Pro asks for nothing beyond the download.

SoundMess Lab ships an update every 2 months, Audio Spectrum Pro every 5 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | SoundMess Lab | Audio Spectrum Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 7 MB | 3 MB |
| Requires iOS | 17.0 | **16.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chih Han Lin](https://appshunter.io/developer/1800248325) | [VADMAX SP Z 0 0](https://appshunter.io/developer/1539621802) |

## What reviewers say

### SoundMess Lab

[App page](https://appshunter.io/ios/app/soundmess-lab-spl-meter/id6762592034)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundMess Lab Pro (Lifetime) | $5.99 | one-time |


### Audio Spectrum Pro

[App page](https://appshunter.io/ios/app/audio-spectrum-pro-analyzer/id6780856025)

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

**In-app purchases:** none


## Frequently asked questions

### Is SoundMess Lab free?

SoundMess Lab is free to download, with in-app purchases available.

### Is Audio Spectrum Pro free?

Audio Spectrum Pro is free to download, with no in-app purchases.

### Do SoundMess Lab or Audio Spectrum Pro have ads?

Neither SoundMess Lab nor Audio Spectrum Pro shows ads.

### Which is updated more often, SoundMess Lab or Audio Spectrum Pro?

SoundMess Lab ships an update every 2 months, and Audio Spectrum Pro every 5 days. Most recently, SoundMess Lab was updated on October 25, 2026 and Audio Spectrum Pro on October 25, 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.*