PocketSphinx[1] isn&#x27;t bad. I&#x27;m sure one could get better accuracy with a DNN recognizer, but good luck getting something like Kaldi to run on a smartphone.<p>1: <a href="https:&#x2F;&#x2F;github.com&#x2F;cmusphinx&#x2F;pocketsphinx" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;cmusphinx&#x2F;pocketsphinx</a><p>2: <a href="http:&#x2F;&#x2F;kaldi-asr.org&#x2F;" rel="nofollow">http:&#x2F;&#x2F;kaldi-asr.org&#x2F;</a>