The CEO of Roblox has responded to parental concerns about harmful content in the app by telling them they shouldnt let their kids use it if they are worried Roblox is one of the most popular iPhone apps for kids, consistently ranking in the top 10 free apps, and said to be used by around half of all American children below the age of 16. It allows children to create their own mini-games.But recently there have been growing reports of children being exposed to explicit or harmful content, including adults using the app as a way to try to meet kids, reports BBC News.The [app], which is the most popular in the UK among young gamers aged eight to 12, has been dogged by claims of some children being exposed to explicit or harmful content through its games, alongside multiple reported allegations of bullying and grooming.CEO Dave Baszucki says the company does try to detect and block harmful content, but argues that parents should be the ones calling the shots.When asked what his message is to parents who dont want their children on the platform, Mr Baszucki said: My first message would be, if youre not comfortable, dont let your kids be on Roblox.But parent groups say this is easier said than done.Mumsnet boss Justine Roberts said parents on the forum had spoken of how they struggled to manage their childrens use of Roblox []If youve got multiple children youre looking after and things happen, and you probably cant 24/7 watch everything theyre doing, even if youve got all your parental controls set.Ellie Gibson from the Scummy Mummies podcast said Mr Baszuckis message risked sounding a bit of a get out [adding] its much easier said than done, especially when all their friends are playing it.Back in 2022, it was revealed that a senior Apple exec had expressed surprise that Roblox was allowed in the App Store.In a 2017 email, Apple marketing head Trystan Kosmynka said he was surprised thatRoboblox [sic] had been approved for the App Store. Epic Games decided to bring the decision up again in court to try to cast doubt on Apples App Store review process.Image: RobloxAdd 9to5Mac to your Google News feed. FTC: We use income earning auto affiliate links. More.Youre reading 9to5Mac experts who break news about Apple and its surrounding ecosystem, day after day. Be sure to check out our homepage for all the latest news, and follow 9to5Mac on Twitter, Facebook, and LinkedIn to stay in the loop. Dont know where to start? Check out our exclusive stories, reviews, how-tos, and subscribe to our YouTube channel