4 Free Audio Filter Apps for Android

Here is a list of the best free audio filter apps for Android. An audio filter app allows you to add a voice filter on top of the audio. This can be done to mask the original, edit the audio, add special effects alongside the original audio, etc. There are various different ways to add filters to audio. You can add SFX, voice filter, change tempo, pitch, etc. and these four apps can help you with that.

All these apps are absolutely free to use. You can just download these apps and start using them, there is no registration. However, these apps do need permission for storage. Some apps also have a voice-recording feature so those apps need microphone permission as well. Some of these apps work completely offline whereas some need an internet connection to download additional data like SFX effects and voice filters. But in all cases, the actual processing is done on the device only. You can go through the article and check out these apps yourself.

My Favorite Audio Filter App

AudioLab is my favorite audio filter app on this list. This app packs lots of features for audio files. It has two features that you can use to add filters to your audio. One feature is SFX. It has a collection of SFX effects that you can add to a specific section or the whole length of the audio. The other feature is Voice Changer. The Voice Changer feature offers various types of voice filters that you can apply and configure. Apart from that, there are many more features like Echo, Delay, Speed, Fade in/Fade out, Bass, Pitch, Treble, Split, Merge, Cut, Tag Editor, etc.

You can also check out our lists of the best free Audio Noise Reduction Apps for AndroidAudio Splitter Apps for Android, and Audio Booster Apps for Android.

AudioLab

AudioLab is a free audio filter app for Android. This audio app packs a lot of features. There is a combination of dozens of free and paid features. The app lists all the features and you can pick a feature to use that. Among all the audio tools and features, there is a feature to add SFX. When you use it for the first time, it downloads a small database of SFX effects. Then you can just add your audio file and pick an SFX to add over it. There are over a dozen different SFX in this app. You can play the audio then tap on the SFX to add. And when you have to stop it, simply tap on it again. This way, you can add multiple SFX to the specific sections of the audio. On top of that, you can also adjust the volume of the effect. With a simple slider, you can strike a balance between the audio volume and the SFX volume.

How to apply audio filters with AudioLab?

  • Open the AudioLab app on your phone and allow it permission to access storage.
  • Scroll the feature list to find “Add SFX” and tap on it.
  • Search the audio file to which you want to add filters and tap on it.
  • In the editor, simply select a filter from the bottom area of the screen.
  • Then adjust the filter volume and audio volume balance on the slider.
  • Tap on the SFX icon in the middle of the screen to save the final audio.

Highlights:

  • Add an audio file from local storage. Record audio as well.
  • Add an audio filter within a couple of taps.
  • Set a balance between filter volume and audio volume as per your need.
  • Trim and amplify any audio file.
  • Convert and compress audio files.
  • Voice Changer with multiple options for the voice.
  • Text to Speech, Speech to Text, and Karaoke Effect.
  • Many effects and options like Echo, Delay, Speed, Fade in/Fade out, Bass, Pitch, Treble, Split, Merge, Cut, Tag Editor, etc.

Smart Audio Effects & Filters Editor

Smart Audio Effects & Filters Editor is a free audio filter app for Android. This app offers dozens of effects and filters that you can apply to audio files. All the features of the app are listed as effects. You can add an audio file and then pick an effect to add over it. This includes a few audio filters and other tools for audio trim, separation, merger, cut, amplify, and more. It also has an advanced Equalizer tool which you can use to tune certain frequencies as per your requirement.

How to apply audio filters with this app?

  • Launch this app on your phone and give the necessary permission to access storage.
  • Tap on the “Select File” button and add your audio file.
  • After that, expand the filter list and select a filter that you like to add.
  • Customize the filter as per your requirements and preview the final output.
  • Similarly, add more filters if you want to, and then apply the filters to save the audio.

Highlights:

  • Add an audio file from local storage or record new audio.
  • Add an audio filter within a couple of taps.
  • Configure the different filter aspects as per your need.
  • Trim and amplify any audio file.
  • Many effects and filters like Echo, Delay, Speed, Fade in/Fade out, Bass, Pitch, Treble, Chorus, Flanger, Earwax effect.

Lexis Audio Editor

Lexis Audio Editor is another free audio filter app for Android. This is an audio editor where you can record over an audio file. You can either start a new recording or add an existing audio file and record over that. Along with the recording, it has a small set of audio effects and filters that you can apply to the audio. There are pitch changer, tempo changer, speed changer, noise reduction, compressor, equalizer, and more. You can pick an effect, customize it as per your liking and apply it to the audio.

How to apply audio filters with Lexis?

  • Launch this app on your phone and give the necessary permission to access storage.
  • Tap on the “Open” button and add your audio file. Or, you can also start a recording.
  • After that, tap on the 3-dot button and pick “Effects”.
  • Pick an effect that you want to add.
  • Customize the filter as per your requirements and then apply it to the audio.
  • Tap on the “Save” button to save the final audio file.

Highlights:

  • Add an audio file from local storage or record new audio.
  • Apply an audio filter within a few taps.
  • Configure the different filter aspects as per your need.
  • Trim and amplify any audio file.
  • Convert stereo to mono and vice versa.
  • Save audio in M4A, WAV, AAC, FLAC, and WMA file format. (Saving as MP3 is a paid feature)
  • Many effects and filters like Normalize, Reverse, Change Pitch, Change Tempo, Change Speed, Noise Reduction, Compressor, Echo, Reverb, etc.

Voice Changer - Audio Effects

Voice Changer is yet another free audio filter app for Android. This app offers a collection of filters that you can apply to your audio file. You can simply import your audio file to this app or use the built-in feature to record audio. Then you can browse the filters and pick one to apply to the audio. While doing so, you can change the various aspects of the filter. You can also access advanced controls by watching an ad or going with the subscription. However, the filter gets applied to the whole audio and you can only add one filter at a time.

How to apply audio filters with this app?

  • Launch the Voice Changer app on your device.
  • Either add an audio file or use the record feature to record your voice.
  • Then pick a filter to add to your voice/audio file.
  • Tap on the filter to view and change the filter aspects.
  • Tap on the save button to save the final audio.

Highlights:

  • Add an audio file from local storage or record new audio.
  • Pick from dozens of filters to apply to your audio file.
  • Configure the various aspects of the filter as per your requirement.
  • Save the audio as Music, Ringtone, Alarm, or Podcast.
Shobhit
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