Comparison
NoClash vs Facebook Events
Facebook Events is free and lives inside a social network most of your attendees already use, which makes it the default choice for a lot of community organizers. It's genuinely good at one thing: getting your event in front of people who already follow your page or group.
What Facebook Events doesn't do
It isn't built to answer a scheduling question. There's no city-wide calendar view, no way to see what else is already happening in your town on the same day, and a public event sits inside an algorithmic feed rather than a browsable board — so someone who isn't already following you is unlikely to stumble onto it.
What NoClash does instead
NoClash is a shared calendar scoped to real-world community events in Hampton Roads, with a conflict checker that shows you what's already been posted in your city before you commit to a date. City pages stay browsable without a Facebook account, and nothing requires attendees to be on any particular platform.
Cost
Facebook Events is free to post. NoClash charges $1–$5 per listing (or $49/year for unlimited listings) to keep the board a checked, curated calendar rather than an open feed — browsing NoClash is always free, no account required.
Bottom line
The two aren't really competitors for the same job: Facebook Events is for reaching people who already know you, and NoClash is for making sure your date doesn't collide with someone else's — a lot of organizers end up using both.