Looks like it's possible to use [Vosk API](https://github.com/alphacep/vosk-api) with iOS. The task is to implement a Kaldi-based voice trigger component the same way as [here](https://github.com/just-ai/aimybox-android-sdk/blob/master/kaldi-speechkit/src/main/java/com/justai/aimybox/speechkit/kaldi/KaldiVoiceTrigger.kt)
Looks like it's possible to use Vosk API with iOS. The task is to implement a Kaldi-based voice trigger component the same way as here