Arriving for US consumers way back in 2010,_BillGuard touts itself as the world’s first ‘people-powered antivirus system for bills’. Its predictive algorithms alert you when there’s unexpected charges such as hidden fees, billing errors, scams and fraud on your credit card or debit card, while it also serves up warnings when a similar dubious charge has been flagged by other users. As such, the ‘BillGuard brain’ becomes more accurate over time. Last July, BillGuard went mobile with its launch for iOS, and it went ‘international’ in April with a launch in Canada. Now, a little over a month after arriving...

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