Avaz AAC vs TD Talk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Avaz AAC
This app empowers individuals with speech difficulties to communicate freely. It aids language development by presenting core words and allows users to form sentences and express themselves with over 40,000 pictures and high-quality voices. Customizable themes and effortless backup options enhance the user experience.
- Symbol-based communication
- Text-to-speech functionality
- Customizable themes
- Automatic vocabulary backup
- Research-based language development
- High-quality voices
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Avaz AAC is an assistive communication app that empowers children & adults with Autism, Cerebral Palsy, Down Syndrome, Aphasia, Apraxia, and individuals with speech difficulties to communicate freely and build meaningful relationships. “My daughter has nearly mastered navigation, so much so that one day she brought it to me to show me she wanted Taco Bell for lunch. This made me cry. My child had a voice for the first time. Thank you for being the one to give my daughter that "voice". - Amy Kinderman Designed to aid language development, by presenting core words, which make up 80% of everyday speech, in a research-based order. This enables users to progress from using 1-2 word phrases to forming complete sentences. Avaz, a fully AAC text-to-speech app with over 40,000 pictures(Symbolstix) and a range of high-quality voices, enables users to form sentences and express themselves with ease quickly. Avaz is a customizable AAC app that empowers users to express themselves authentically and build meaningful connections! Effortless Backup and Themes Enjoy the convenience of auto backup for worry-free vocabulary progress. Simply choose how often you want your vocabulary progress backed up with our auto-backup interval selection option. Never lose your progress again! We understand our users have different preferences for cloud storage, so we made it easy to back up your vocabulary to your preferred platform, including popular ones like Google Drive. Explore our visual themes - Classic Light, Classic Dark (with high contrast), and Outer Space (a dark mode). Our default dark mode has been beneficial for adult users and those using Avaz with eye-tracking devices. Try Avaz AAC's free 14-day trial without adding credit card details! Make in-app purchases and choose from our affordable monthly, yearly, and lifetime subscription plans to keep benefiting from the amazing features. Now available in English US, English UK, Français, Dansk, Svenska, Magyar, Føroyskt is fully compatible with iPads and iPhones. If you’re new to AAC, don’t worry! Visit www.avazapp.com for beginner-friendly articles to help you get started. Connect with our passionate Avaz community on Facebook and other social media platforms. We are always happy to hear from you. For any assistance, please write to us at support@avazapp.com Note: Avaz AAC - Lifetime Edition is available for a one-time purchase and offers a 50% discount with VPP for 20+ licenses. Terms of Use - https://www.avazapp.com/terms-of-use/ Privacy Policy - https://www.avazapp.com/privacy-policy/
TD Talk
This app enables communication for individuals unable to use their voice or hands. It offers text-to-speech functionality through eye-tracking or touch input, supporting a wide range of languages and voices for natural conversation.
- Eye-tracking communication
- Touch input for typing
- Customized predictive sentence construction
- In-sentence editing
- 35+ languages and voices
- Face-to-face conversation mode
- QuickMessages for common phrases
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TD Talk is a text to speech app that empowers people to talk using just their eyes or fingers. It’s designed for literate adults who cannot use their voice, their hands or both, including people with disabilities such as ALS/MND, multiple sclerosis, muscular dystrophy, cerebral palsy and locked-in syndrome. When used with TD Pilot, an iPad-based, eye tracking-enabled speech generating device by Tobii Dynavox, it unlocks the ability to: • talk using just your eyes via the world’s leading eye tracking technology • talk using just your fingers, by typing the words you want to speak • join any conversation with fast, customized, predictive sentence construction • correct typos with in-sentence editing using just your eyes • express yourself in 35+ languages and voices • have face-to-face conversations via the Partner Window on a TD Pilot device Join the conversation TD Talk empowers people to communicate who they are and what they want to say, in the most fluid way possible: Converse naturally • participate naturally in dialogue by displaying your typed text to your conversation partner in the rear-facing Partner Window on a TD Pilot device • select your language of choice and switch to it seamlessly Express yourself quickly • remain an active part of any conversation with the ability to use predicted text and to edit errors directly within a sentence • maintain a more natural speaking pace with QuickMessages, pre-programmed common and custom phrases such as ‘I need help’ and ‘wait please, I’m typing’ Sound like yourself • express yourself more fluidly thanks to phrase prediction, which learns and adapts to your personal communication style • choose from a selection of voices to find one you most identify with • Import a custom synthetic voice that mimics your natural one with voice banking from one of the following vendors: Acapela (my-own-voice), Model Talker, The Voice Keeper, ElevenLabs Using TD Talk without TD Pilot Some people may want to try TD Talk on an iPad without using TD Pilot, such as: • those with progressive degenerative conditions transitioning from touch to eye gaze access • clinicians who want to try TD Talk on behalf of their clients • hospitals and other institutions PLEASE NOTE, using TD Talk on an iPad without the TD Pilot device will mean: • touch access only (no eye tracking access) • a smaller selection of languages and voices For more information Visit: us.tobiidynavox.com/products/td-talk Customer support: us.tobiidynavox.com/pages/contact-us
Screenshots
Verdict
The clearest difference is in-app purchases: TD Talk at none against Avaz AAC's 5. TD Talk also leads on review sentiment (75% vs 60%) and update cadence (every 2 months vs every 4 months). Avaz AAC's advantage is ratings volume (316 vs 11) and device support (3 vs 1). On price, rating and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Avaz AAC sells 4 in-app purchases, starting at $9.99 per month. TD Talk asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.1 for Avaz AAC against 4.2 for TD Talk. That said, the two scores are not equally well evidenced: Avaz AAC has 316 ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 60% of Avaz AAC's written reviews are positive against 75% of TD Talk's.
Avaz AAC ships an update every 4 months, TD Talk every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Avaz AAC | TD Talk |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (316 ratings) | 4.2 (11 ratings) — better |
| Positive reviews | 60.2% of reviews | 75.0% of reviews — better |
| Number of ratings | 316 — better | 11 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 14.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 169 MB | 305 MB |
| Age rating | 4+ | 4+ |
| Developer | Avaz, Inc. | Tobii Dynavox LLC |
Customer experience
Avaz AAC
TD Talk
Bugs and requests
Avaz AAC
Reported bugs
11 issues- App crashes when typing or entering letters
- Screen freezes when searching for pictures
- Voice functionality stops working randomly
- Audio not playing despite correct volume settings
- App loses voice after several uses
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- Backup import puts boards into single folder instead of original structure
- Screen rotation issues with keyboard
- App takes long time to load on tablets
- Sentence word order incorrect with screen reader (words with icons read last)
- Internet connection error during subscription
- Slow customer support response times
Requested features
10 requests- Free or significantly reduced pricing for disabled users
- Longer free trial period (20+ days suggested)
- Ability to save and reuse phrases
- Online two-way communication capability
- Video and user-created image support
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- Vertical orientation option for small hands
- Extended gender identity options beyond binary
- Automatic phrase copying without premium
- Lifetime membership after extended subscription period
- Picture upload and backup/restore functionality
TD Talk
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Avaz AAC
- Avaz Auto Renewing Subscription$9.991 Month
- Avaz Yearly Subscription$99.991 Year
- Lifetime Subscription2 variants$199.99
- Lifetime Subscription$299.99
TD Talk
No in-app purchases








