This app allows you to play background music and sound effects simultaneously. You can save your favorite sounds, and playback continues even when the app is in the background. It provides a variety of sound materials for creative use.
1.6.4
June 7, 2026
Minor fix.
$1.99
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Liver SoundBox allows you to play background music (BGM) and sound effects simultaneously. You can also register your favorite sounds for quick access and enjoy background playback, meaning the audio continues even when the app is not actively open.
The app includes BGM under Creative Commons CC0 1.0 Universal, which is free to use without attribution. It also provides sound effects from OtoLogic and 'Let's play with free sound effects!' (taira-komori.jpn.org).
The app itself is free to download and use, with options for in-app purchases and ads. While some sound materials are free, it's important to note that OtoLogic sound effects require credit notation according to their terms of use.
Yes, the BGM provided under CC0 is generally suitable for commercial use. For sound effects, you must adhere to the specific terms of use for each provider, such as the credit notation requirement for OtoLogic.
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