How did you find them? If scaling proportionally - it doesn't seem right.
Proportionally should be
Large - 372x389pt
Medium - 372x175pt
Small - 175x175pt
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Apple will reject this update. Your idea violates Guidelines. It's like you are going to limit ability to receive Push notifications or e.g. disable Camera, just because user is not PRO. All widgets should be accessible without limiting by Purchase attribute.