Anytime: 随時 vs. 何時でも


Is 随時{ずいじ} used to express **anytime** like いつでも?




The words are actually quite different in their nuances: (and consequently not
interchangeable)

  * 随時 - as required (e.g. 随時更新します - I will update as required (as things change)) 
  * いつでも - at any time (e.g. いつでも来てください - Come whenever you like)

