Prism-AAC
AAC for nonverbal users
About
This communication app provides on-device AI and supports 12 languages, offering a private and accessible way for nonverbal users to express themselves. It functions fully offline and can be controlled from an Apple Watch, making communication possible anywhere, anytime.
What's New in Prism
1.9.0
September 10, 2026
Optional Prism AAC Cloud subscription with Apple purchase and restore, reusable saved speech that replays without a network request, and clearer account and cloud-access settings. Free core communication, boards and saved content remain available without a subscription.
MoreDeveloper apps
FAQ
What makes Prism-AAC unique?
Prism-AAC stands out as the only free AAC app offering on-device AI, Apple Watch integration, and support for 12 languages. It prioritizes user privacy with no data harvesting and operates fully offline.
Does Prism-AAC have ads?
No, Prism-AAC is completely ad-free. The developers have stated there are no advertisements within the application, ensuring an uninterrupted user experience.
Is Prism-AAC free to use?
Yes, Prism-AAC is 100% free with no hidden fees or subscriptions. This commitment to being free is a core aspect of its design and accessibility.
Can Prism-AAC be used without internet?
Absolutely. Prism-AAC is designed to function fully offline, meaning users can communicate effectively regardless of internet connectivity. This is crucial for consistent access to communication tools.
What devices support Prism-AAC?
Prism-AAC is available on Apple Watch, iPhone, and iPad. This broad compatibility allows users to communicate across multiple familiar devices.
How often is Prism-AAC updated?
The latest version of Prism-AAC is 1.8.9, last updated on August 22, 2026. This indicates a commitment to ongoing development and improvements.
What is the age rating for Prism-AAC?
Prism-AAC has an age rating of 4+. This suggests it is suitable for children and individuals aged four and older.
How does the on-device AI in Prism-AAC work?
The on-device AI in Prism-AAC processes data directly on the user's device, ensuring that personal communication information never leaves their control. This enhances privacy and security.
