We abide by Apple's and Google's policies for refunds and do not offer refunds directly in general. If you want a refund for your purchase, please get in touch with Apple or Google to request a refund. You can find contact links for both platforms below:
We also recommend that you apply purchase restrictions on your account to avoid accidental purchases, especially if a child has access to your device or you share your device with others.
Open the "Google Play" App, go to Settings, scroll down to 'User Controls' and tap the desired option on 'Required authentication for purchases'.
Instructions here: https://support.google.com/googleplay/answer/1626831?hl=en
On your iPhone, iPad, or iPod touch: Go to Settings > General > Restrictions
You can follow this simple guide: https://support.apple.com/en-gb/HT204396