Stamps.com is designed to work seamlessly across different operating systems and devices. For the best experience, please make sure your devices meet the following system requirements for the Stamps.com Mobile app.
IOS
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An iPhone 6® or newer running iOS 12.0 or later.
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To find the software version on your iOS device, check the following article on the Apple Support site: Find the software version on your iPhone, iPad, or iPod
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Latest version of the Stamps.com app.
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A Stamps.com account.
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A stable internet connection.
Android
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A smartphone running Android 12.0 or later.
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To find the software version for your Android device, check the following article on the Android support site: Check & update your Android version.
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Latest version of the Stamps.com app.
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A Stamps.com account.
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A stable internet connection.