Good but...
It's a handy calculator but it's lacking a high pass 2nd order filter (12dB per octave). A Zobel calculator, attenuation calculator and third order filters would be nice too.
Yes, Filters is completely free and it doesn't have any in-app purchases or subscriptions.
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Filters is free.
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It's a handy calculator but it's lacking a high pass 2nd order filter (12dB per octave). A Zobel calculator, attenuation calculator and third order filters would be nice too.