Square is revolutionizing millions of everyday transactions between buyers and sellers with its free credit card reader for the iPhone, iPad, and Android devices, allowing anyone to accept credit cards anywhere, anytime.

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Kobo has developed a strong global following for their eReading service, which includes free apps for the iPhone, iPad, BlackBerry and Android, as well as a dedicated Kobo eReader.

ENGADGET: Kobo launches e-reader app for Android Mobile

All told, this is a top-notch free game for the iPhone and iPad.

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Currently available for Android phones (free), an iPhone and iPad app will reportedly be available in the coming months.

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The TMN GO App is available for free from the App Store on iPhone, iPad and iPod touch or at www.

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The YouTube app is free and you can download it from the Apple App Store for the iPhone, iPad and iPod touch.

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The Vimeo iOS app is available for download free from the iTunes App Store and is compatible with iPhone 3GS and above, iPad, iPod Touch, and iOS4.3 and above.

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The Live OCD Free app for iPad or iPhone makes use of a well-tested treatment for OCD called exposure and response prevention.

CNN: Smartphone apps become 'surrogate therapists'