Zoom Meetings by Faye has 422 more installs than Magento 2 by Zenplates, suggesting broader adoption in the Zendesk ecosystem.

Magento 2 by Zenplates is rated higher at 5.0 vs 2.0 stars.

Zoom Meetings by Faye is free while Magento 2 by Zenplates is a paid app, which may be a deciding factor depending on your budget.