Comparison between systems

Aspects	Google Hangouts Meet	Zoom	WebEx
Maximum number of participants	100* (* regular plan） 250（ Until the end of June 2020）	500（University account）	1000（On-screen） 3000（Off-screen）
University’s account expiration	None（Some features will not be available by the end of June 2020)	By the end of April 2020.	By June 8th 2020
Access restrictions	○	○	×hosts can cancel or unsubscribe inappropriate accounts
Screen sharing	○	○	○
Text chat	○	○	○
Meeting recording	○（Until 1st July, 2020)	○	○

* To be announced (updated on: March 17th 2020)