The Pro version offers several advanced capabilities over the free edition:
How do I receive my Activation Key. You will receive your activation key on your email once your payment is completed. Website 2 APK Builder
Keys shared publicly are typically blacklisted by the developer's server and will not work for app building. Lack of Support:
: The software's Terms & Privacy Policy strictly forbid the unauthorized distribution, sublicensing, or sharing of activation keys. Core Features of Website 2 APK Builder Pro