New smartphone apps are released every day. And in the days of ever-evolving technology, it can be hard to keep up with it all. Test your knowledge below to see how well you know these apps that may appear on your kid's smartphone.
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Photos: Get to know these smartphone apps
Photos: Get to know these smartphone apps

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Have you seen these apps on your kid's smartphone? Swipe through the gallery to learn more about how they're using them.
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Calculator% is an app designed to act as a disguise that allows you to store photos and video.
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Ello serves as a publishing platform to post their art, photography, designs, illustrations and more.
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Evil Apples is an adult card game with crude humor and suggestive themes, much like the card game Cards Against Humanity.
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Keepsafe lets you save photos and video behind "bank-level" and "military-grade" encryption, according to the company.
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POF, or Plenty of Fish, is an online-dating app that uses your location to connect with users nearby.
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Reddit claims to be the front page of the internet and allows users to post photos, videos, text posts and links.
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Snapchat allows you to send photos and short videos to your Snapchat friends that disappear after they're viewed.
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Tinder classifies itself as a lifestyle app, but in reality is a dating app that uses your location to connect you with people nearby.
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Uber is a ride-sharing service that allows you to order a ride from your location straight from the app.
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Yik Yak is an app that's been described as "the anonymous social wall for anything and everything."