2.9
419 reviews
100K+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image

About this app

The app calculates the fundamental frequency of a sound with very high precision. The error in the frequency is less than 0.04%
The app plots the fundamental frequency versus time.
The application can be used to tune musicals instruments.
The app can be used to measure sound Doppler Effect: J.A Gómez-Tejedor, J.C Castro-Palacio y J. A. Monsoriu. "The acoustic Doppler effect applied to the study of linear motions", European Journal of Physics, 35 (2), 025006 (9pp), 2014. doi: 10.1088/0143-0807/35/2/025006. https://riunet.upv.es/handle/10251/38089. http://iopscience.iop.org/0143-0807/35/2/025006
More information about the App can be found in the reference: J. A. Gómez-Tejedor, J. C. Castro-Palacio and J. A.Monsoriu. "Frequency analyser: A new Android application for high precision frequency measurement". Computer Applications in Engineering Education (2015). DOI: 10.1002/cae.21618. http://onlinelibrary.wiley.com/doi/10.1002/cae.21618/abstract
Updated on
Dec 20, 2021

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

2.8
384 reviews
Ajay Deshpande
September 10, 2020
This is wonderful app. More useful in engineering parlance. Musical notes, voice can hv many modulations. But there are applications where this is very useful. Phone microphone quality, distance can influence results greatly. One need to take 5 to 6 readings and choose the one most repeated. Awesome app.
1 person found this review helpful
Did you find this helpful?
A Google user
February 19, 2019
Its a terrible app. The results aren't accurate at all. I tried playing one music five times at the same sound level and results are far from each other.
5 people found this review helpful
Did you find this helpful?
Ian Bullen
September 10, 2022
Used this for ages to measure mechanical frequency. Now says 11098Hz whatever I try to measure.
Did you find this helpful?

What's new

Fixed some bugs in Android 11