Audiobus: Use your music apps together.

What is Audiobus?Audiobus is an award-winning music app for iPhone and iPad which lets you use your other music apps together. Chain effects on your favourite synth, run the output of apps or Audio Units into an app like GarageBand or Loopy, or select a different audio interface output for each app. Route MIDI between apps — drive a synth from a MIDI sequencer, or add an arpeggiator to your MIDI keyboard — or sync with your external MIDI gear. And control your entire setup from a MIDI controller.

Download on the App Store

Audiobus is the app that makes the rest of your setup better.

Tape Cassette by Caelum Audio


Tape Cassette is an easy to use audio plugin that gives your music warmth, noise and character. Whether it’s an effect on the master for an overall lofi / indie texture, or as an insert to warm up individual channels, Tape Cassette gives you the tools to turn your music into a cosy, nostalgic listening experience. Take the plugin into experimental territory by using the wow & flutter parameters and spin your sounds into a frenzy, or use the saturation parameter to heat up the sounds into a distorted cacophony.

⁃ Saturation (+/-24dB)
⁃ Low Pass Filter (8-22KHz)
⁃ Noise -80 to 0 dB
⁃ Wow 0 - 100%
⁃ Flutter 0 - 100%

Tape Cassette is both a stand-alone application as well as an AUv3 plugin, meaning it works within iOS hosts such as GarageBand.


  • You fergot the best part...

  • edited December 2019

    Decent freebie.. thanks! , The only problem is the filter isn’t very usable, unable to go below 8000 Hz. would be much better if that were remedied. Otherwise, decent tape sim!

  • Thanks for the free plugin! Low CPU, though it's pretty basic; wish we had control over wow & flutter speeds, not just amount. But the AU parameters are exposed. Nice!

  • Very nice, could you squeeze an output trim plz ;-)

  • Pasted from the other thread

    It's alright for a free effect, but I'd call it more an effect than a cassette simulator. It has all the ingredients of the sound (saturation, LP, wow, flutter), but they don't add up to a convincing emulation. The wow and flutter get out of control pretty quickly, but I can't imagine any realistic use for that craziness.

  • Doug made a video:

  • @White Many thanks, was just about to post it 👍

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