iComm is a free (light version, full version is £4.99)and customisable communication aid for disabled children. The app enables you to set up pictures and words both spoken and written to enable your child to communicate.

In the paid version you get more categories, songs and nursery rhymes. The full list of features from the app developers is listed below

• Ideal for pre speech toddlers or children with disabilities
• Heighten child engagement by adding your own photos 
• Confirm all choices with a yes/ no screen
• Some content provided for everyday communication; yes, no, more and finished
• Most frames are empty for you to add in your own personal content
• 20 categories in full version (in-app purchase to upgrade), 9 in free version 
• Sound recording only available when you upgrade to the full version of iComm
• Upgrade iComm to get audio, more categories and more blank storage frames
• Help your child learn about shapes, colours and letters with the provided content in the full version 
• Record your child’s favourite nursery rhymes or songs (in full version only)
• Please note this app is suitable for use with the iPhone only, not the iTouch
• Use the iComm to communicate, play and teach your child

More details are available in the video below