# ToneScope vs SpectralScan Audio Analyzer dB

The clearest difference is in-app purchases: ToneScope at none against SpectralScan Audio Analyzer dB's 1. SpectralScan Audio Analyzer dB's advantage is device support (3 vs 1) and ratings volume (12 vs 4). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. SpectralScan Audio Analyzer dB sells 1 one-off in-app purchase. ToneScope asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ToneScope against 4.9 for SpectralScan Audio Analyzer dB. Both are backed by a comparable volume of ratings — 4 and 12 respectively.

ToneScope ships an update every 10 days, SpectralScan Audio Analyzer dB every 9 days. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ToneScope | SpectralScan Audio Analyzer dB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tonescope/id6757265327/reviews)** | [4.9 (12 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer-db/id6762024331/reviews) |
| Number of ratings | 4 | **12** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 16 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Newton Niu](https://appshunter.io/developer/6777603868) | [Otsukare AB](https://appshunter.io/developer/1892516192) |

## What reviewers say

### ToneScope

[App page](https://appshunter.io/ios/app/tonescope/id6757265327)

This audio analysis tool offers real-time and offline sound signal processing. It utilizes a multirate FFT for high frequency resolution and efficiency on iOS devices. All data processing is done locally, ensuring user privacy.

**Highlights:** Real-time audio analysis, Offline sound signal analysis, Multirate FFT processing, High frequency resolution, On-device processing, Local audio recording

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

**In-app purchases:** none


### SpectralScan Audio Analyzer dB

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


## Frequently asked questions

### Is ToneScope free?

ToneScope is free to download, with no in-app purchases.

### Is SpectralScan Audio Analyzer dB free?

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

### Which has better reviews, ToneScope or SpectralScan Audio Analyzer dB?

ToneScope is rated higher. ToneScope averages 5.0 out of 5 from 4 ratings, while SpectralScan Audio Analyzer dB averages 4.9 from 12 ratings.

### Do ToneScope or SpectralScan Audio Analyzer dB have ads?

Neither ToneScope nor SpectralScan Audio Analyzer dB shows ads.

### Which is updated more often, ToneScope or SpectralScan Audio Analyzer dB?

ToneScope ships an update every 10 days, and SpectralScan Audio Analyzer dB every 9 days. Most recently, ToneScope was updated on October 2, 2026 and SpectralScan Audio Analyzer dB on October 19, 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.*