Sound Test

Upper.cz
Contains adsIn-app purchases
3.6
55 reviews
10K+
Downloads
Content rating
Everyone
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About this app

This app plays sound of 20 Hz - 20 kHz.

Play sound in general human hearing range and see what frequencies can your ears hear.
Find your favorite frequency and share with a friend over E-mail or SMS. See if they like it too.
Updated on
Dec 20, 2025

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.
This app may share these data types with third parties
Location, Financial info and 3 others
This app may collect these data types
Financial info
Data is encrypted in transit
Data can’t be deleted
Committed to follow the Play Families Policy

Ratings and reviews

3.6
53 reviews
Robert Struzinski
July 30, 2025
they post these apps a if they're useful but when you try to use it you find it's just a waste of time and memory on your phone.
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afsar khan
August 2, 2022
7 Star music player.
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A Google user
January 7, 2017
Works so far
18 people found this review helpful
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What’s new

Back to versions supported by Google again. And bug fixes
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App support

About the developer
Marek Pytela
marek.pytela.app@gmail.com
Lublaňská 7/52 12000 Praha Czechia
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