There are several different methods of AAC
Aided: These are communication methods that use additional items, for example objects, pictures, or Apps on devices like an iPad or tablet.
Unaided: These are communication methods that do not require additional aids. For example, body language and signing systems such as Makaton.
High tech: These are communication methods that require technology to power them, for example tablet or iPad Apps and VOCAs (voice output communication aid).
Low tech: These systems do not use additional technology, for example communication books or boards, Makaton, gesture, Picture Exchange Communication System (PECS) books.
There is cross over between these categories:
A Speech and Language Therapist can support in identifying the best system for an individual.
High-tech AAC is not better than low-tech AAC, it is about finding the best communication method for your child.
If using a high-tech AAC system, there must also be some access to a low-tech method. This is because technology can break or run out of battery and if this happens it will leave an individual without a voice.