We are assuming you had installed the lite version of Learn Money and then did in-app purchase. Now, you are not able to see the in-apps you bought previously. As you have already downloaded the lite version of the app, please follow the steps suggested to resolve this issue:
Steps to restore in-app purchases:
1. Click on "Prizes" on the Home Screen of the app.
2. Click on any locked feature as shown in the image.
3. You will see a big "Upgrade" button. Below the button we have "Already Purchased" link.
4. Click on the "Already Purchased Link".
5. This will restore all previously purchased chapters in the app.