I purchased all levels but they’re still locked! – Inference Clues: Reading Comprehension Skills & Practice for Kids Who Need Help to Become Stronger Readers Review

I purchased to open all levels but they’re still locked! The app confirmed that my purchase was successful but how come I couldn’t open all levels? I need answers, please!
Review by Penny Mane on Inference Clues: Reading Comprehension Skills & Practice for Kids Who Need Help to Become Stronger Readers.