# Spectrum Analyzer RTA vs Open Sound Meter

The clearest difference is price: Spectrum Analyzer RTA at $19.99 against Open Sound Meter's $69.99. Spectrum Analyzer RTA also leads on ratings volume (67 vs 5) and chart position (#162 vs unranked). Open Sound Meter's advantage is rating (5.0 vs 4.2) and review sentiment (100% vs 74%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Spectrum Analyzer RTA costs $19.99 and Open Sound Meter $69.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Open Sound Meter holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Spectrum Analyzer RTA has 67 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 74% of Spectrum Analyzer RTA's written reviews are positive against 100% of Open Sound Meter's.

Spectrum Analyzer RTA ships an update every 6 months, Open Sound Meter every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Spectrum Analyzer RTA | Open Sound Meter |
| --- | --- | --- |
| Price | **$19.99** | $69.99 |
| Rating | [4.2 (67 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-rta/id490078884/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/open-sound-meter/id1552933259/reviews)** |
| Number of ratings | **67** | 5 |
| Positive reviews | 73.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Best chart rank | **#162** | — |
| Size | 7 MB | 45 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [Pavel Smokotnin](https://appshunter.io/developer/1552933261) |

## What reviewers say

### Spectrum Analyzer RTA

[App page](https://appshunter.io/ios/app/spectrum-analyzer-rta/id490078884)

**Currently charting:** #162 Top Paid · Music (US App Store)

This real-time audio analysis app provides precision measurement and visualization for sound frequencies. It's designed for musicians and recording engineers, offering tools for room and speaker tuning, and can be used with built-in or external microphones.

**Highlights:** Octave Band Real Time Analyzer, FFT Plot, Spectrograph module, Test Tone Generator, White/Pink Noise Generator

**Features:** macOS Compatibility

**In-app purchases:** none


### Open Sound Meter

[App page](https://appshunter.io/ios/app/open-sound-meter/id1552933259)

This application allows real-time tuning and control of audio systems. It provides comprehensive measurement and analysis tools for various audio parameters, with options to store, adjust, and average results. Calibration files and direct console connections enhance measurement accuracy.

**Highlights:** Real-time audio system tuning, Spectrum, SPL, Magnitude, Phase analysis, Store, adjust, and average measurements, Apply calibration files for microphones, Direct connection to mixing consoles, Project saving to device or iCloud

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

**In-app purchases:** none


## Frequently asked questions

### Is Spectrum Analyzer RTA free?

Spectrum Analyzer RTA costs $19.99, with no in-app purchases.

### Is Open Sound Meter free?

Open Sound Meter costs $69.99, with no in-app purchases.

### Which has better reviews, Spectrum Analyzer RTA or Open Sound Meter?

Open Sound Meter is rated higher. Spectrum Analyzer RTA averages 4.2 out of 5 from 67 ratings, while Open Sound Meter averages 5.0 from 5 ratings.

### Do Spectrum Analyzer RTA or Open Sound Meter have ads?

Neither Spectrum Analyzer RTA nor Open Sound Meter shows ads.

### Which is updated more often, Spectrum Analyzer RTA or Open Sound Meter?

Spectrum Analyzer RTA ships an update every 6 months, and Open Sound Meter every 2 months. Most recently, Spectrum Analyzer RTA was updated on October 26, 2026 and Open Sound Meter on October 24, 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.*