Justin Cooke, from the British Interactive Media Association, told ITV News that the games industry did not need more regulation and that self-regulation was working.
"No doubt, there needs to be some changes to reflect the massive change going on in our industry," he said.
"Things like, for example, putting in place instant notification of payments being made through in-app."
"I think parents need to take some responsibility in the same way that I wouldn't give my kids the PIN number for my credit card," he added.
More top news
Favourite Jessica Ennis-Hill is joined by last minute additions Tyson Fury and Andy Murray on the list of Sports Personality nominees.
Jenny Fry, 15, claimed she had electro-hypersensitivity (EHS) which caused her to suffer tiredness, headaches and bladder problems.
Mild in the south but colder in the north tonight and turning frosty and icy - before rain moves in.