# Frequency Meter PRO — Professional tool

> Real-time audio frequency analysis and visualization tool. (iPhone/iPad app by Lubomir Havran BINARTS.)

- Source: https://appshunter.io/ios/app/frequency-meter-pro/id559840622 (this page in markdown: same URL + `.md`)
- Developer: [Lubomir Havran BINARTS](https://appshunter.io/developer/557200855)
- Category: Music
- Price: $2.99
- Rating: 1.80/5 from 30 App Store ratings · 75 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 3 MB
- Languages: American English
- Released: 2012-09-25
- Data updated: 2026-09-02
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/frequency-meter-pro/id559840622/reviews.md

## What is Frequency Meter PRO?

Frequency Meter PRO is a comprehensive tool for audio frequency diagnostics. Includes REAL TIME scanning of audio signal from internal or external microphone.

*** OUTPUT ***
Visualization is done on real like device that shows:
- Audio level
- Noise Level
- Frequency range
- Current frequency
- Frequency oscilloscope
- Spectrum analyzer

*** ACCURACY ***
Application is calibrated with real tone generator. Working range is around 15 - 22500 Hz, and accuracy around +/- 0.5 %.

*** NOISE LIMIT ***
You can easily set a limit that removes noise treshold with included trackbar.

*** RANGE SELECTION ***
Choose minimum and maximum frequency you want to scan.

*** EXPORT ***
You can export output chart to comma-separated file that you can later analyze with MS Excel or other table processor. Application shares document folder in iTunes.

*** SUPPORT***
Please don't hesitate to write us for details or questions: lubomir.havran@gmail.com

## Key features

- Real-time audio scanning
- Spectrum analyzer visualization
- Frequency oscilloscope
- Adjustable noise threshold
- Customizable frequency range
- Export data to CSV

## Recent user reviews (10 of 75)

All indexed reviews: https://appshunter.io/ios/app/frequency-meter-pro/id559840622/reviews.md

### 5/5 — Great

*2024-07-25, version 2.0*

Great and accurate for all your needs. Identify a frequency in a second. Unique on the AppStore.

### 4/5 — Does its job as expected

*2023-05-29, version 2.0*

It is important to extensively test this tool in order to understand its functions. With this tool it is possible to filter out the different frequencies of each of the sources of sound in a room. It is possible to check the function of ultrasonic devises used to scare away rats or similar animals. The App can even be used to detect harmonics of sources of sound. Of course that you have to consider the capabilities of the used hardware. A modern iPhone 14 will produce more accurate results compared to a iPad Air II of more than 7 years old. Yes, you can use it to tune a music instrument. A great App!

### 1/5 — No mide con fiabilidad la frecuencia

*2022-08-03, version 2.0*

No te puedes fiar de los valores que da

### 1/5 — Not accurate frequency meter

*2022-03-26, version 2.0*

Absolutely not accurate frequency meter. For example: for frequency 300Hz meter shows 283 or 312Hz. Nothing more between this two values. On other frequencies is the same. Its fake, its toy but not frequency meter.

### 2/5 — Don’t know how it’s works

*2021-06-28, version 2.0*

I read a lot of readings but don’t know what I read.  There is no (short/simple) manual how to set to measure frequency or….

For now I can’t use it.

### 1/5 — How complicated should it be.

*2021-01-13, version 2.0*

I wanted to play a note and see the frequency.  After an hour I can't get it to do what I want, it seems to stick on a reading, a waste of £3

### 1/5 — Waste of money

*2020-11-10, version 2.0*

Waste of money

### 2/5 — Faulty   Meter

*2020-05-27, version 2.0*

Below C4 indicates wrong notes
Frequency range is indicated when NOISE  indicator is ON
Explain how to find CSV file in iTunes

### 1/5 — Does not work

*2019-11-08, version 2.0*

Responds to musical notes but meaningless results. A rip off, surprised that Apple would have it on the App Store. A scam.

### 2/5 — Not very good

*2019-07-25*

I just need an app that accurately tells me the frequency of s tone played through a speaker. This one kind of does that, for the first note presented to it, but fails to change its output when the tone changes. It sort of works if I keep shutting it down and restarting it, but that’s not very convenient. Also, it would be nice to have some documentation as to what the controls are supposed to do and what the display is supposed to indicate.

## Frequently asked questions about Frequency Meter PRO

### What does Frequency Meter PRO do?

Frequency Meter PRO is a professional tool designed for audio frequency diagnostics. It allows you to scan audio signals in real-time from your device's internal or external microphone. The app visualizes various audio parameters, including audio level, noise level, frequency range, current frequency, and provides an oscilloscope and spectrum analyzer.

### What are the key features of Frequency Meter PRO?

Key features include real-time audio scanning, a spectrum analyzer, a frequency oscilloscope, adjustable noise threshold with a trackbar, selectable minimum and maximum frequency ranges, and the ability to export output charts to a comma-separated file for analysis in programs like MS Excel.

### How accurate is Frequency Meter PRO?

The application is calibrated with a real tone generator for accuracy. It operates within a working range of approximately 15 to 22500 Hz, with an accuracy of around +/- 0.5%.

### Can I export the analyzed data?

Yes, you can export the output chart as a comma-separated file. This allows you to further analyze the data using spreadsheet software such as MS Excel or other table processors. The exported files are typically shared through the application's document folder in iTunes.

### What devices is Frequency Meter PRO compatible with?

While the description doesn't explicitly list compatible operating systems or device models, it mentions using the internal or external microphone and sharing documents via iTunes. This suggests compatibility with iOS devices that have microphones and support iTunes file sharing.

## Version history (last 5 releases)

### 2.0 — 2018-09-05

This update from Apple will improve the functionality of this app. No new features are included.

- iphone x ready
- increased accuracy

### 1.0.9 — 2015-01-31

- file sharing fix

### 1.0.8 — 2014-08-21

- new FFT analyze
- new FREQ spectrum

### 1.0.7 — 2014-08-07

- microphone access check added

### 1.0.6 — 2014-04-04

- range select added
- better frequency resolution

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All apps by Lubomir Havran BINARTS: https://appshunter.io/developer/557200855

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-02.*