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Audile: Open source Shazam alternative for android
(f-droid.org)
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
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Good detection, and I appreciated the free trial.
But, I don't think I'd use it enough to warrent paying on it monthly. I did however find an app called Audire that is open-source, uses the API of Shazam, and is also free. Works very well.