Free and open-source software to boost sound quality, volume, and bass. Including an equalizer, effects, and presets for customized audio.


The best open source alternative to Equalizer APO is FxSound. If that doesn't suit you, our users have ranked more than 25 alternatives to Equalizer APO and 11 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Equalizer APO are EasyEffects, eqMac 2, A.R.I.S.E. Sound Mod and RootlessJamesDSP.
Free and open-source software to boost sound quality, volume, and bass. Including an equalizer, effects, and presets for customized audio.


Easy Effects is an advanced audio manipulation tool. It includes an equalizer, limiter, compressor and a reverberation tool, just to mention a few. To complement this there is also a built in spectrum analyzer.







ARISE puts together sound enhancements like VIPER4Android, Asus Zenfone 3 libraries with DTS effect, Huawei MedaiPad M2 Harman & Kardon sound effects, Huawei P9 sound libraries, Lenovo K3 Note MaxxAudio, LeTv Max 2 Dolby Atmos, Sony LDAC Bluetooth codec etc.

An implementation of the system-wide JamesDSP audio processing engine for non-rooted Android devices.
It doesn't use the Android builtin Equalizer and has a lot more functionalities.



Audio DSP effects build on Android system framework layer. This is a repository contains a pack of high quality DSP algorithms specialized for audio processing.

Override Android's default volume steps with custom step counts. Includes 6000+ headphone EQ profiles and graphic equalizer.




PulseAudio Equalizer is a 15 bands system wide equalizer, that means any application that is using PulseAudio, will benefit from the sound improvement.



PC Equalizer is a Graphical User Interface for "Equalizer APO" which is a parametric / graphic equalizer for Windows.




To start off there is really no "free" and/or "open source" alternative to Wavelet and Poweramp EQ that pairs the full DynamicsProcessing API with real audio-visual feedback, and I felt like after using both of those apps among other various EQ apps that...




It is simple and feels modern.