Detailed Comparison
Audience reach and promotion
Agora Events
Agora works best when organisers want to stay close to their audience. It supports direct campaigns, private links, affiliate referrals, and discount-led launches, but it is not trying to be a giant event marketplace.
Eventbrite
Eventbrite is stronger if discovery and promotion are a large part of the buying decision. Its official organiser pages highlight marketplace visibility, email campaigns, ad tools, promo codes, smart audiences, and broad event discovery.
Bottom line
Choose Eventbrite if you want more built-in reach. Choose Agora if you already have demand channels and care more about control than marketplace exposure.