Proof

@mhpdev/react-native-speech

native-seam only - upstream Speech and HighlightedText JS stay in the bundle; RNSpeech follows RNSpeech.mm over the shared iOS AVSpeechSynthesizer model and speech is voiced by the host page

72%

API coverage

No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.

Working (10)

configureresetspeakspeakWithOptionsstoppauseresumeisSpeakinggetAvailableVoices over the iOS 27 simulator voicesonStart/onProgress/onFinish/onPause/onResume/onStopped emitters

Missing (2)

the host voice speaksnot the iOS voice; ducking and silent mode have no host effect; the host needs a user activation before it voices anything