Included app does not work

Magnet holder seems to be ok. The included app ( this feature was the deciding factor in my purchase over the other magnet style phone mounts.) Does not work. The app downloads and opens but it says my activation code is invalid. I'm not satisfied with my purchase and hope the seller reaches out to me to correct the issue. I'm not sure they can do anything about the app because it's from a 3rd party.

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