# Audio Spectrum Pro vs Audio RTA

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

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

Audio Spectrum Pro ships an update every 5 days, Audio RTA weekly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Audio Spectrum Pro | Audio RTA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audio-rta-spectrum-analyzer/id6784479397/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | — | Free |
| Size | 3 MB | 54 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VADMAX SP Z 0 0](https://appshunter.io/developer/1539621802) | [Mateus Polonini Cardoso](https://appshunter.io/developer/1530866903) |

## What reviewers say

### 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


### Audio RTA

[App page](https://appshunter.io/ios/app/audio-rta-spectrum-analyzer/id6784479397)

This application transforms your mobile device into a real-time audio analysis tool. It allows you to monitor sound frequencies, decibel levels, and identify peaks using your device's microphone, aiding in the tuning and testing of various audio systems.

**Highlights:** Real-time RTA/FFT analyzer, dB meter, Frequency generator, Test tones, noise, and sweeps, Subwoofer test tools, Stereo channel tests

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Analyzer RTA Pro | $10.99 | one-time |


## Frequently asked questions

### Is Audio Spectrum Pro free?

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

### Is Audio RTA free?

Audio RTA is free to download, with in-app purchases available.

### Do Audio Spectrum Pro or Audio RTA have ads?

Neither Audio Spectrum Pro nor Audio RTA shows ads.

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

Audio Spectrum Pro ships an update every 5 days, and Audio RTA weekly. Most recently, Audio Spectrum Pro was updated on October 25, 2026 and Audio RTA on October 31, 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.*