# Tone Scope Lab vs Audio Spectrum Pro

The clearest difference is ads: Audio Spectrum Pro at none against Tone Scope Lab's shown. Tone Scope Lab's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Tone Scope Lab | Audio Spectrum Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | Every 5 days |
| Size | 25 MB | 3 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yosuke Ouchi](https://appshunter.io/developer/1877354991) | [VADMAX SP Z 0 0](https://appshunter.io/developer/1539621802) |

## What reviewers say

### Tone Scope Lab

[App page](https://appshunter.io/ios/app/tone-scope-lab/id6780329595)

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

**In-app purchases:** none


### 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 Tone Scope Lab free?

Tone Scope Lab is free to download, with no in-app purchases.

### Is Audio Spectrum Pro free?

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

### Do Tone Scope Lab or Audio Spectrum Pro have ads?

Tone Scope Lab shows ads; Audio Spectrum Pro does not.

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

Tone Scope Lab ships an update every 5 days, and Audio Spectrum Pro every 5 days. Most recently, Tone Scope Lab was updated on October 18, 2026 and Audio Spectrum Pro on October 7, 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.*