# SpectralScan Audio Analyzer vs RTA01

The clearest difference is iOS requirement: SpectralScan Audio Analyzer at 15.0 against RTA01's 17.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SpectralScan Audio Analyzer sells 1 one-off in-app purchase and RTA01 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SpectralScan Audio Analyzer | RTA01 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer/id6762024331/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Otsukare AB](https://appshunter.io/developer/1892516192) | [Shunsuke Takasu](https://appshunter.io/developer/6788974380) |

## What reviewers say

### SpectralScan Audio Analyzer

[App page](https://appshunter.io/ios/app/spectralscan-audio-analyzer/id6762024331)

Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.

**Highlights:** Real-time frequency spectrum visualization, Sine sweep measurements for system response, Spectrogram for time-frequency analysis, Comparison and overlay of multiple measurements, Export data as CSV or PNG, Pro features for advanced analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpectralScan Pro | $9.99 | one-time |


### RTA01

[App page](https://appshunter.io/ios/app/rta01/id6793456897)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A roll of vinyl tape | $0.99 | one-time |
| A roll of gaffer tape | $1.99 | one-time |
| Tip - XLR Connector | $6.99 | one-time |


## Frequently asked questions

### Is SpectralScan Audio Analyzer free?

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

### Is RTA01 free?

RTA01 is free to download, with in-app purchases available.

### Do SpectralScan Audio Analyzer or RTA01 have ads?

Neither SpectralScan Audio Analyzer nor RTA01 shows ads.

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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.*