Pros
- Intuitive picture-symbol communication system
- Highly customizable communication boards
- Free and open-source with no ads or in-app purchases
- Multi-language and voice output support
- Cross-device sync via Microsoft account
0 Education





Let's be honest—most communication apps expect you to adapt to them. Cboard AAC for Windows flips that script. Imagine a toolbox, not a fixed book: you pick the symbols, arrange the grids, and assign the spoken words. Built by the nonprofit Cboard Org, this free, open-source augmentative and alternative communication (AAC) app aims to give a voice to anyone with speech difficulties—whether due to autism, aphasia, cerebral palsy, or a temporary condition. Its pitch? “Your board, your rules.” Three standouts: a highly customizable symbol grid, built-in text-to-speech with multiple voices, and support for over 40 languages—all without a single subscription fee. Target users are non-verbal or minimally verbal individuals, plus their caregivers, speech-language pathologists, and educators who need a flexible, no-cost tool.
Open Cboard and you're greeted by a clean, sparse grid—almost intimidating in its simplicity. But that emptiness is the point. You start by dragging symbols (from the built-in Mulberry Symbols library—free, open-source, and surprisingly thorough) onto tiles. Want a “thirsty” button? Drop the glass icon, type “I'm thirsty” into the text field, and pick a voice. Want a whole page of snack options? Build it in two minutes. The learning curve is mild: if you've ever made a PowerPoint slide, you're halfway there. The interface is uncluttered, with a side panel for editing and a main area for the grid. Scrolling through symbol categories (food, emotions, actions) is snappy on mid-range Windows tablets. The only friction? Importing your own images isn't straightforward—it relies on local file paths, which can confuse new users.
Text-to-speech quality can make or break an AAC tool. Cboard uses your device's built-in speech engines—so on Windows, that means Microsoft's voices. They're… adequate. Not as natural as dedicated voices like Acapela, but perfectly understandable. The real win here is the multilingual support: you can set a board to Spanish, set another to Japanese, or mix them. For a bilingual household or a classroom with EL learners, this is a lifesaver. One caveat: voice customization is thin (no pitch or speed sliders). You get what Windows gives you. But for a free app, it's commendable.
Unlike many paid AAC apps that license proprietary symbol sets (often costing hundreds per year), Cboard relies on Mulberry Symbols and arasaac—both vetted by speech-language pathologists and used in hospitals globally. The symbols are consistent, clear, and culturally neutral in most cases. Because the app is open-source, educators can inspect exactly which symbols map to which words, ensuring no hidden biases or errors. This transparency is rare in the “Education” category; most competitors treat their content as a black box. For therapy settings where every icon's meaning matters (e.g., distinguishing “angry” from “frustrated”), that auditability adds real authority.
Cboard doesn't auto-suggest new words based on usage—that's not its goal. Instead, it leans into full manual control. A caregiver or therapist can create a “morning routine” grid, then a “school” grid, then hide unused categories. This human-driven personalization is actually more adaptive in practice than many “smart” AAC apps, which often over-recommend or frustrate users with irrelevant suggestions. The downside? It requires upfront time investment. But for a child who responds to highly specific, predictable boards (common in autism), this is ideal. The app also supports “board sets” that can be imported/exported—so a therapist can share a complete communication book with parents in one click.
A few thoughtful touches elevate this from “free tool” to “daily driver.” The font size scales generously—great for users with motor or visual impairments. The app is fully offline (no internet needed for grids or speech). And it runs surprisingly well on low-spec Windows tablets, which are often the only devices available in underfunded schools. Crash-wise, I tested for a week without a single stutter. The only missing piece: an iOS/Android companion app would make home-school transitions smoother, but the web version (board.cboard.io) bridges that gap.
Strongly recommended for: caregivers and SLPs working with non-verbal children or adults who need a no-cost, highly customizable AAC tool. Also ideal for bilingual families or educators in resource-constrained settings. The open-source nature means you can contribute to the community or tweak the code—a unique advantage over any commercial alternative.
Less ideal for: users who rely on eye-gaze hardware (Cboard has no built-in eye tracking) or those who prefer a fully managed system with auto-expanding vocabulary. If you want a “set it and forget it” app, look at Proloquo2Go or TouchChat—but you'll pay $200+.
Bottom line: Cboard won't win design awards, but it wins on principle—free, honest, and flexible. It's the friend who brings a blank notebook and says, “Let's write your story.” For that, it deserves a spot in every speech therapist's toolkit.
Open the app and select your language on the welcome screen. Then choose a pre-made board or build your own by tapping 'Create Board' from the main menu. No account sign-up is required.
Yes, you can create custom boards. Go to 'My Boards' > '+' icon, then add symbols by searching or uploading images. Drag and drop to arrange, and tap each symbol to edit its label or voice output.
Tap any symbol on a board, and the app will speak the associated word or phrase aloud. You can adjust voice speed and pitch in 'Settings' > 'Speech'. The app uses your device's built-in speech engine.
Absolutely. While editing a symbol, select the image icon and choose 'Upload Image' from your device's gallery or camera. The custom image will replace the default symbol on that board.
Cboard saves boards locally by default. For backup, go to 'Settings' > 'Data Management' > 'Export Boards'. You can save the .json file to your cloud or computer. To restore, use 'Import Boards'.
Yes. Go to 'Settings' > 'Language' to change the interface and symbol label language. For speech, ensure your device supports that language's TTS engine. Cboard includes symbols from the Mulberry and ARASAAC libraries.
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