# dB Meter & Spectrum Analyzer vs SignalScope Basic 2020

The clearest difference is price: dB Meter & Spectrum Analyzer at $29.99 against SignalScope Basic 2020's $59.99. dB Meter & Spectrum Analyzer also leads on ratings volume (865 vs 1) and iOS requirement (11.3 vs 13.2). SignalScope Basic 2020's advantage is in-app purchases (none vs 1) and review sentiment (100% vs 66%). On ads and device support there is nothing between them.

dB Meter & Spectrum Analyzer costs $29.99 and SignalScope Basic 2020 $59.99 up front. dB Meter & Spectrum Analyzer sells 1 one-off in-app purchase. SignalScope Basic 2020 asks for nothing beyond the download.

SignalScope Basic 2020 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: dB Meter & Spectrum Analyzer has 865 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 66% of dB Meter & Spectrum Analyzer's written reviews are positive against 100% of SignalScope Basic 2020's.

dB Meter & Spectrum Analyzer ships an update every 4 months, SignalScope Basic 2020 every 6 weeks. The most recent releases landed on September 24, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | dB Meter & Spectrum Analyzer | SignalScope Basic 2020 |
| --- | --- | --- |
| Price | **$29.99** | $59.99 |
| Rating | [4.7 (865 ratings)](https://appshunter.io/ios/app/db-meter-and-spectrum-analyzer/id733773616/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signalscope-basic-2020/id1520683649/reviews)** |
| Number of ratings | **865** | 1 |
| Positive reviews | 65.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 88 MB | 9 MB |
| Requires iOS | **11.3** | 13.2 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Polyanskiy](https://appshunter.io/developer/438646985) | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) |

## What reviewers say

### dB Meter & Spectrum Analyzer

[App page](https://appshunter.io/ios/app/db-meter-and-spectrum-analyzer/id733773616)

Measure ambient noise levels with professional-quality accuracy. This app offers a spectrum analyzer, hearing test, and the ability to save and share measurements with location data. It's a powerful, cost-effective tool for personal sound monitoring.

**Highlights:** Professional-quality sound level measurement, Integrated spectrum analyzer, Noise dosimeter (NIOSH/OSHA), Photo & video with noise overlay, Hearing test, Save and export measurements (CSV/Audio), Health App integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spectrum Analyzer Pro | $14.99 | one-time |

**What reviewers like**

- 🚀 Excellent
- 👍 Simple, precise and excellent
- 👍 Great app!!!!
- 👍 Well around app for monitoring noise
- 👍 Nice proof

**What reviewers complain about**

- 🐛 Crash with iOS 26
- 🐛 Paid for and it stopped working
- 🐛 App failed to open on iPad Pro 11
- 🐛 Will not run
- 🐛 Ok for DB but not for actually recording sound

**Reported bugs**

- Crash with iOS 26
- App failed to open on iPad Pro 11
- Will not run
- Video is recorded without sound
- Failing to restore purchase

**Requested features**

- Dark mode option
- Advanced analytics dashboard
- Ability to export recorded audio clips
- Frequency display on RTA bar


### 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 dB Meter & Spectrum Analyzer free?

dB Meter & Spectrum Analyzer costs $29.99, and also offers in-app purchases.

### Is SignalScope Basic 2020 free?

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

### Which has better reviews, dB Meter & Spectrum Analyzer or SignalScope Basic 2020?

SignalScope Basic 2020 is rated higher. dB Meter & Spectrum Analyzer averages 4.7 out of 5 from 865 ratings, while SignalScope Basic 2020 averages 5.0 from 1 ratings.

### Do dB Meter & Spectrum Analyzer or SignalScope Basic 2020 have ads?

Neither dB Meter & Spectrum Analyzer nor SignalScope Basic 2020 shows ads.

### Which is updated more often, dB Meter & Spectrum Analyzer or SignalScope Basic 2020?

dB Meter & Spectrum Analyzer ships an update every 4 months, and SignalScope Basic 2020 every 6 weeks. Most recently, dB Meter & Spectrum Analyzer was updated on September 24, 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.*