This feature is useful because it allows for trials and initial larger sum fee followed by the regular subscription. Anyone offering a subscription can benefit from this feature.

Example 1: 1-month trial before committing to a program, software, group, membership, etc.

Example 2: website design and hosting payment plan for a year but with a set-up fee paid upfront to cover the kick-off of the project and the 1st month of hosting as well.