Yes! Meeteor is free for 5 users.
If you have more than 5 users on your team, it's $54 per month for 6 users and $9 per each additional user per month.
e.g. If you have 10 users in your organization, the monthly charge is $90 ($54+ (10-6) users x $9).
For more payment related questions, check out Payment FAQ.