and icoalert is free service or paid service, how much price if listing in icoalert or use icoalert service
The advantage of ICO Alert is that I update it daily so that it lists ALL active and upcoming ICOs. There are several other sites which claim to list all, but only list a few. If you compare ICO Alert to icocountdown, you'll see that I have dozens of ICOs listed on ICO Alert, while icocountdown only has a few.
ICO Alert is totally free. The e-mail alerts are optional, but free as well. It's supported 100% by donations right now (donation address at bottom of website).
Enjoy