Best apps to score deals for Black Friday

The government is putting out a warning on counterfeit products and urging consumers do Black Friday shopping with stores they know and trust.
2:34 | 11/20/18

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Transcript for Best apps to score deals for Black Friday
Back now with a "Gma" consumer alert of head of black Friday. There is a new warning about hundreds of apps that claim to help you find deals but really they may be stealing your information. ABC's Rebecca Jarvis has more on what to look out for. Good morning, Rebecca. Reporter: Hey, Michael, good morning to you. Yeah, that's right. By this point you've probably been bombarded with offers that are hard to resist over email, on your social media, but a warning this morning, some of those apps could be trying to steal your personal information. In the final countdown to the biggest shopping day of the year, retailers ramping up those sales. Save on hundreds of deals. Doors open Thursday 2:00 P.M. Reporter: And Black Friday apps are popping up everywhere. Many legitimate like shop savvy and shopular tracking the best pries so you don't have to. But a new warning, some of the apps now on the internet appearing to help you spot deals may be fakes. This stuff looks extremely authentic. The apps look real. Reporter: Researchers at consumer site riskiq said they found hundreds of phony apps and websites that look like they're offering deep discounts but riskiq says they're stealing your private information. Searching the terms black Friday, the company finding more than 4,000 apps, but reporting that more than 200 of them malicious. And with over 40% of all black Friday online purchases happening on a mobile device last year spotting a possible fake is more important than ever. Like this app, identified by risk iq last year as suspicious, the description filled with grammatical error, a red flag. Don't get apps from third party app stores other than the authentic app stores like apple and Google. Reporter: Something else to beware of, too good to be true bargains, make sure the url starts with https. Ron Gordon says he was fooled by a site where he found this Canada goose jacket normally priced around $750 for just 255. Only after he got the coat home did he realize it was likely a fake. I opened the coat andas overpowered by this very strong chemical smell, so strong that I had to wrap the coat up in a trash bag. Reporter: Botm line here is to shop with retailers you know and trust. Michael, if it sounds too good to be true, it probably is. Absolutely. It always seems to be. Be careful. Coming up, what the teenage

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