I currently have a yearly LR subscription which I pay annually £48.99 for which includes 100GB of storage. I need more storage so am considering purchasing the £11.99 per month plan. Do I need to still continue with the yearly subscription in order to get the monthly plan or are they two separate things?
You can change plans here:
https://helpx.adobe.com/uk/manage-account/using/change-plan.html
If you purchased the Mobile Plan via the App Store then I believe you would have to sign up via Adobe, then cancel the Mobile Plan (best to ensure all your photos are present first).
Here is another thread outlining this:
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