LunaMixer: Per-App Volume

In-app purchases
Content rating
Everyone
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Content rating
Everyone
In-App Purchases
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About this app

Most volume-switching apps change the whole phone's volume to match whichever app is in front.
LunaMixer holds several apps that are playing at once, each at its own level, on its own.


■ What it does
・Apps that are making a sound appear in the list on their own.
・Several volumes can be adjusted separately at the same time.
・A floating bubble reaches it from inside any app.
・Closing the app puts every volume back the way it was.


■ No root
Your phone does not need to be modified. LunaMixer uses Wireless debugging, which is already part of Android.


■ No computer, no cable
Setup happens entirely on this phone. Every step is explained on screen, and nothing has to be plugged into a computer.
You only do this once. After that, opening the app is all it takes.


■ A restart does not undo it
Restarting your phone leaves the pairing in place. Turn wireless debugging on, tap "Turn volume control back on", and you are back. The six-digit code is not needed again.


■ About network use
Changing volumes never involves a connection.
Nothing about what you listened to, or which apps you have, is sent anywhere.
There are no ads. In-app purchases go through Google Play's billing system, and the billing library built into the app does contact Google's servers.


■ Price
Paid once. There is no subscription.
A three-day trial runs first. The trial is there so you can confirm that setup works on your particular phone.
The steps look slightly different from one manufacturer to another, so please try it before buying.


■ If it does not work
・Apps that produce sound in unusual ways (some games) may not respond.
・Some phones already offer something similar through the manufacturer's own app.


■ Requirements
・Android 11 or later
・Wi-Fi, for setup only. A network with no internet access is fine


■ Seller information
Notice under Japan's Specified Commercial Transactions Act
https://hystudio21.com/legal/tokushoho.html
Per-app volume, several at once. Idle apps too. No root, no computer.
Updated on
Sep 21, 2026

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
  • This app may collect these data types
    App info and performance
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

The first release of LunaMixer. Set a separate volume for each app that is playing at the same time. No root and no computer: setup completes on the phone itself.
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
HY STUDIO
info@hystudio21.com
3-4-10, MEIEKI, NAKAMURA-KU ULTIMATE MEIEKI 1ST 2F. NAGOYA, 愛知県 450-0002 Japan
+81 80-1514-6414

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