in no time vs quick as a flash

in no time

adv

  • in a very short period of time 

prep

  • Very soon. 

  • Very quickly. 

quick as a flash

adv

  • Extremely quickly. 

adj

  • Extremely quick. 

How often have the words in no time and quick as a flash occurred in a corpus of books? (source: Google Ngram Viewer )