diff --git a/README.md b/README.md
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@@ -70,6 +70,7 @@ We are accepting PRs for additional apps designed for visionOS that are shipping
 
 - [Longplay](https://longplay.rocks) - Album-focussed music player, that features a life-sized album wall and immersive experience for Apple Vision Pro.
 - [tappr.tv](https://www.tappr.tv) - For Apple Music subscribers, tappr.tv for visionOS lets you experience immersive 3D digital dancing. Over 5,000 dances available, and growing! Coming soon, dance with your hands in the air!
+- [I/O](https://github.com/comdigis-community/IO) - A multiplatform spatial audio engine written in Swift, focused on high-performance, low-latency DSP, realtime audio graph processing, spatial audio, binaural rendering, XR, and interactive media.
 
 ## Photo & Video