“He knows if he does something he is not meant to, I will stop the card. I can do that on my phone from my office. If I thought that he was misusing it, I could shut down the card. “I like to know what he’s spending his money on. “Whenever he buys something, it sends me a text message within 30 seconds of what he bought and where he got it. 'It makes him realise he has to earn his money – and that he doesn’t always get what he wants unless he saves for it. “It’s easy for him to see how much he has to save before he can buy something he wants, such as a computer game or book. 'He has the app on his iPad so he can see how much money he has and what he has spent it on. “He does chores to earn cash, which we can keep track of on goHenry, and we pay his pocket money into it using the app. She says: “It took a long time for Owain to grasp the concept of money but goHenry has really helped him manage his finances. His mum Pamela, 49, from Greenwich, South London, says though he is now old enough for a free bank account, she will keep using goHenry for the control it gives her over his spending. OWAIN MORGAN, 12, has been using goHenry since he was eight.