# Audio Frequency Analyzer vs SignalScope Basic 2020

The clearest difference is price: Audio Frequency Analyzer at $9.99 against SignalScope Basic 2020's $59.99. Audio Frequency Analyzer also leads on ratings volume (3 vs 1). SignalScope Basic 2020's advantage is rating (5.0 vs 3.7) and review sentiment (100% vs 60%). On ads, in-app purchases and monetization model there is nothing between them.

Audio Frequency Analyzer costs $9.99 and SignalScope Basic 2020 $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SignalScope Basic 2020 holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 60% of Audio Frequency Analyzer's written reviews are positive against 100% of SignalScope Basic 2020's.

Audio Frequency Analyzer ships an update every 8 months, SignalScope Basic 2020 every 6 weeks. The most recent releases landed on September 9, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | Audio Frequency Analyzer | SignalScope Basic 2020 |
| --- | --- | --- |
| Price | **$9.99** | $59.99 |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signalscope-basic-2020/id1520683649/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 0 MB | 9 MB |
| Requires iOS | 26.2 | **13.2** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) |

## What reviewers say

### Audio Frequency Analyzer

[App page](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742)

This real-time audio analyzer measures and evaluates sound environments with 1/3 octave band frequency response and FFT analysis. It supports calibration for high accuracy and is suitable for various audio testing and tuning applications.

**Highlights:** Real-time frequency spectrum response measurement (1/3 octave, 30 bands), FFT Analyzer, Observation frequency range: 20 - 23000 Hz, Calibration function for high accuracy, Supports built-in and external microphones, Snapshot and averaging functions

**In-app purchases:** none


### SignalScope Basic 2020

[App page](https://appshunter.io/ios/app/signalscope-basic-2020/id1520683649)

This app provides essential tools for engineers, students, and hobbyists to analyze acoustics, audio, and electronics. It offers features like oscilloscopes, FFT analyzers, and spectrograms for detailed signal measurement and calibration.

**Highlights:** Signal analysis from audio input, Engineering unit assignment and calibration, Support for digital accelerometers and microphones, Frequency response correction, Adjustable audio sample rates, Data saving to CSV, TXT, and MAT files, Oscilloscope, FFT, Spectrogram, and XY Plotter tools

**In-app purchases:** none


## Frequently asked questions

### Is Audio Frequency Analyzer free?

Audio Frequency Analyzer costs $9.99, with no in-app purchases.

### Is SignalScope Basic 2020 free?

SignalScope Basic 2020 costs $59.99, with no in-app purchases.

### Which has better reviews, Audio Frequency Analyzer or SignalScope Basic 2020?

SignalScope Basic 2020 is rated higher. Audio Frequency Analyzer averages 3.7 out of 5 from 3 ratings, while SignalScope Basic 2020 averages 5.0 from 1 ratings.

### Do Audio Frequency Analyzer or SignalScope Basic 2020 have ads?

Neither Audio Frequency Analyzer nor SignalScope Basic 2020 shows ads.

### Which is updated more often, Audio Frequency Analyzer or SignalScope Basic 2020?

Audio Frequency Analyzer ships an update every 8 months, and SignalScope Basic 2020 every 6 weeks. Most recently, Audio Frequency Analyzer was updated on September 9, 2026 and SignalScope Basic 2020 on August 27, 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.*