Which subscription plan should we follow if we continually use CubeBackup 3?

We are currently using CubeBackup 3 and are satisfied with it, so we do NOT want to upgrade to CubeBackup 4. Which subscription pricing should we follow?

Subscription for old versions

Old versions of CubeBackup, including CubeBakup 2.x and CubeBackup 3.x, are still supported.
Although we strongly recommend that all our customers upgrade to the latest version, this is not mandatory. You may continue using older versions of CubeBackup without any problems.

Subscription pricing for CubeBackup 2.x and CubeBackup 3.x has not changed, so you can simply renew your subscription when it expires.

For your reference: