# Frequency Analyzer vs ToneScope

The clearest difference is rating: ToneScope at 5.0 against Frequency Analyzer's 4.5. ToneScope also leads on in-app purchases (none vs 11). Frequency Analyzer's advantage is ratings volume (169 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Frequency Analyzer sells 11 in-app purchases, starting at $2.99 per 7 days. ToneScope asks for nothing beyond the download.

ToneScope holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Frequency Analyzer has 169 ratings behind it against 4, so its average is the more settled of the two.

Frequency Analyzer ships an update every 8 days, ToneScope every 10 days. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Frequency Analyzer | ToneScope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (169 ratings)](https://appshunter.io/ios/app/frequency-analyzer/id6468837339/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tonescope/id6757265327/reviews)** |
| Number of ratings | **169** | 4 |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 10 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 2 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Manfred Kuegel](https://appshunter.io/developer/1520736594) | [Newton Niu](https://appshunter.io/developer/6777603868) |

## What reviewers say

### Frequency Analyzer

[App page](https://appshunter.io/ios/app/frequency-analyzer/id6468837339)

Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.

**Highlights:** Real-time FFT analysis, Calibrated SPL measurements, 32-bit float audio recording, Synchronized video recording, Spectrogram and octave band analysis, Export WAV, CSV, images, and videos

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frequency Analyzer Pro Weekly | $2.99 | per 7 days |
| Frequency Analyzer Pro Monthly | $3.99 | per month |
| Frequency Analyzer Pro Monthly | $3.99 | per month |
| Frequency Analyzer Pro Monthly | $4.99 | per month |
| Frequency Analyzer Pro Monthly | $4.99 | per month |
| Frequency Analyzer Pro Monthly | $4.99 | per month |
| Frequency Analyzer Pro Annual | $29.99 | per year |
| Frequency Analyzer Pro Annual | $44.99 | per year |
| Frequency Analyzer Pro Annual | $44.99 | per year |
| Frequency Analyzer Pro Annual | $44.99 | per year |
| Pro access for lifetime | $89.99 | one-time |


### 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


## Frequently asked questions

### Is Frequency Analyzer free?

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

### Is ToneScope free?

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

### Which has better reviews, Frequency Analyzer or ToneScope?

ToneScope is rated higher. Frequency Analyzer averages 4.5 out of 5 from 169 ratings, while ToneScope averages 5.0 from 4 ratings.

### Do Frequency Analyzer or ToneScope have ads?

Neither Frequency Analyzer nor ToneScope shows ads.

### Which is updated more often, Frequency Analyzer or ToneScope?

Frequency Analyzer ships an update every 8 days, and ToneScope every 10 days. Most recently, Frequency Analyzer was updated on October 16, 2026 and ToneScope on October 2, 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.*