OCR library for Xamarin.Forms

Hi all,

I was wondering if someone has found a way to implement OCR in a Xamarin.Forms app to be distributed to iOS, Android and Windows Phone 8.
This is my Research so far, but I will require to expend $400:

• For Windows Phone 8 there's the Microsoft OCR library. This link explain how to use it: http://blog.falafel.com/microsoft-ocr-library/
• For Xamarin iOS and Xamarin Android I have found Emgu CV: http://www.emgu.com/wiki/index.php/Main_Page. But it cost $199 per licence.

Has someone found an open source API for Xamarin iOS and Android?
Is there a PCL already created for this?

Thank you so much for your time.

Regards