# SmarterNoise Pro vs SignalScope Basic 2020

The clearest difference is review sentiment: SignalScope Basic 2020 at 100% against SmarterNoise Pro's 29%. SignalScope Basic 2020 also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 4). SmarterNoise Pro's advantage is price (Free vs $59.99) and ratings volume (31 vs 1). On update cadence, ads and iOS requirement there is nothing between them.

SmarterNoise Pro is free to download; SignalScope Basic 2020 costs $59.99 up front. SmarterNoise Pro sells 4 one-off in-app purchases. SignalScope Basic 2020 asks for nothing beyond the download.

SignalScope Basic 2020 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: SmarterNoise Pro has 31 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 29% of SmarterNoise Pro's written reviews are positive against 100% of SignalScope Basic 2020's.

SmarterNoise Pro ships an update monthly, SignalScope Basic 2020 every 6 weeks. The most recent releases landed on September 7, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | SmarterNoise Pro | SignalScope Basic 2020 |
| --- | --- | --- |
| Price | **Free** | $59.99 |
| Rating | [4.4 (31 ratings)](https://appshunter.io/ios/app/smarternoise-pro/id1466745030/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signalscope-basic-2020/id1520683649/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 28.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 24 MB | 9 MB |
| Requires iOS | **12.0** | 13.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) |

## What reviewers say

### SmarterNoise Pro

[App page](https://appshunter.io/ios/app/smarternoise-pro/id1466745030)

This advanced sound level meter app offers detailed audio analysis with features like frequency spectrum display and data export. It allows for precise sound measurements in both video and audio recording modes, with options for A-, C-, or no weighting.

**Highlights:** Sound level measurement in video/audio modes, Frequency spectrum display, Export measurement data (CSV), Sound level activated audio recording, Calibration tool, Full HD video recording (paid)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Camera upgrade | $0.99 | one-time |
| Frequency spectrum indicator | $1.99 | one-time |
| Video and audio recording | $1.99 | one-time |
| Spectrogram display | $1.99 | one-time |


### 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 SmarterNoise Pro free?

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

### Is SignalScope Basic 2020 free?

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

### Which has better reviews, SmarterNoise Pro or SignalScope Basic 2020?

SignalScope Basic 2020 is rated higher. SmarterNoise Pro averages 4.4 out of 5 from 31 ratings, while SignalScope Basic 2020 averages 5.0 from 1 ratings.

### Do SmarterNoise Pro or SignalScope Basic 2020 have ads?

Neither SmarterNoise Pro nor SignalScope Basic 2020 shows ads.

### Which is updated more often, SmarterNoise Pro or SignalScope Basic 2020?

SmarterNoise Pro ships an update monthly, and SignalScope Basic 2020 every 6 weeks. Most recently, SmarterNoise Pro was updated on September 7, 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.*