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We looked at more than 25 POS systems to find the best credit card readers. Our top picks are portable and make it easy to accept contactless payments. All of them offer free POS plans too.

The best mobile card readers offer competitive transaction fees and sync with your POS system. Their available payment options — like magstripe, chip and contactless — may also influence your decision ...

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Many credit card readers work with Android devices, but not all offer the speed, reliability and mobile-friendly features businesses need to accept payments efficiently on the go. Some providers ...