Easy to use
This is such a good idea, it’s so easy to use for all ages including my daughter and mom. I love that the verbal spelling functionality works out of the box but I can also customize the voice, the font, the keyboard.
Free
About
This communication tool provides a private and accessible way for individuals with speech barriers to express themselves. It features an alphabetical grid with color-coded rows and immediate speech output for every tap. Designed for ease of use, it offers various customization options for vision and voice.
✓Alphabetical grid with numbers and punctuation
✓Color-coded rows for visual scanning
✓Immediate speech output for every tap
✓Smart backspace and lift-to-clear functions
✓Forced dark mode for legibility
✓Copy message function
✓Offline and private operation
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What's New in TTT Letter Board
1.5
July 16, 2026
v1.5: -Added the ability to do consecutive lift-to-clear gestures for clearing words. -Added option to announce 'done' when pressed. v1.4: -We've changed our name! TTT Spelling Board is now TTT Letter Board. -Moved number buttons to top row on ABC board. v1.3.1: -Quicker clear all smart backspace (now 1s). -Bug fixes v1.3: -New ability to toggle individual letter speaking off or on. -New 'Say Word After Space' toggle to speak a word instantly when the space button is pressed. -Bug fixes
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FAQ
What is TTT Letter Board?
TTT Letter Board is a free Augmentative and Alternative Communication (AAC) app designed to help individuals with speech barriers communicate by spelling. It offers a private and accessible environment where each tap can be spoken aloud.
Is TTT Letter Board free to use?
Yes, TTT Letter Board is 100% free with no hidden paywalls, ads, or subscriptions. It is supported by TTT Education & Impact, a registered 501(c)(3) nonprofit organization.
Does TTT Letter Board have ads?
No, TTT Letter Board is completely ad-free. The app is committed to providing an uninterrupted and private communication experience for its users.
Can TTT Letter Board be used offline?
Yes, TTT Letter Board is designed to be 100% private, local, and offline. No internet connection is required, and no data is ever collected, tracked, or stored outside your device.
What accessibility features does TTT Letter Board offer?
TTT Letter Board includes vision support options like toggling button outlines and specialized modes for color blindness. It also offers adjustable speech speed, voice selection, and multiple font choices, including OpenDyslexic.
How does TTT Letter Board help with motor challenges?
The app features oversized, fixed buttons designed to support motor planning and physical accuracy. Color-coded rows also assist with scanning and tracking, making it easier to select letters.
What is the update frequency for TTT Letter Board?
TTT Letter Board was last updated on June 23, 2026, with version 1.4. The developer, TTT Education & Impact, is a nonprofit organization dedicated to improving communication accessibility.
What devices is TTT Letter Board compatible with?
TTT Letter Board is available for iPhone and iPad. It is rated for ages 4 and up, making it suitable for a wide range of users.