As you have guessed this is not anything new, and rogue developers are still able to scam iOS users. See the links below:
App name: Kasper Internet Security
Description: Content Blocker, Block Ads
Offers 3-day trial, thereafter Charges $99.99 per week to your iTunes account
Possible SCAM App:
Possible hijacked website to host supposed "Privacy Policy":
Attached is screenshot of page:

- In the News (2017): Comment: Apple needs to clamp down on App Store abuse hard and fast
- Helpful Links:
App name: Kasper Internet Security
Description: Content Blocker, Block Ads
Offers 3-day trial, thereafter Charges $99.99 per week to your iTunes account
Possible SCAM App:
Code:
https://itunes.apple.com/us/app/kasper-internet-security/id1317291037
Developer: Dmitrii Portnov
Possible hijacked website to host supposed "Privacy Policy":
Code:
https://juliabrows.ru/kasper/
Attached is screenshot of page:
