There is, but it is much more expensive in the long-term. For instance, the full suite is ~$27/mo more to not commit to a year term. There is also an option to pre-pay the year up front. But unfortunately those are your only options for the Adobe software.
It really depends on how you plan to use the software, and how long you'll need it. The month-to-month option can be a better choice, depending on your term of use or need for flexibility... The breakeven point is about six months of use; analysis here: