There is generally no difference in usage between the paid and free versions.
However, there is some content where only Lapis (Paid) and Lazuli (Paid)can be used.
▼Paid Lapis and Paid Lazuli
These are Lapis and Lazuli purchased on each platform.
▼Free Lapis and Free Lazuli
These are Lapis and Lazuli given as rewards in the app. Free currencies will be used before paid currencies whenever possible.