@Larajc You may not have paying but Samsung was paying to maintain servers, etc. Now they are ending the free service.
BTW, Microsoft OneDrive does have a free plan. You can compare the plans at https://www.microsoft.com/en-us/microsoft-365/onedrive/compare-onedrive-plans
Google also offers some free storage for photo backup. You can compare their plans at https://one.google.com/about/plans