Why am I being charged to redownload tic tok?

Tik Tok is free, it didn't charge you the first time and it's not charging you for it now. You probably have an unpaid bill from something else that you need to pay first before you can download anything else.

Click on the link below, you can

• View your purchase history

• Cancel a subscription

• Request a refund

• Verify unfamiliar charges

• Add or remove a payment method

Subscriptions and Billing - Official Apple Support

No I just got charged again for Tik tok and Pokémon go both free apps

28.69 for free apps this is the second charge from apple