You can choose between a monthly or an annual subscription in Make.
If you have a monthly subscription, your billing cycle is one month. For example, if you subscribe on 12 January, your next payment is due on 12 February.
If you have a monthly subscription, you get the monthly operations allocation in the tier you choose.
With the Core plan, you always have monthly allocated operations, even with an annual subscription.
If you have an annual Pro or Teams subscription, you pay the whole yearly amount up front and we allocate all the operations that belong in the specific plan and tier you chose. There is no monthly operations allotment, but the bulk of operations is available for you to use flexibly over the year.
More details here.