Dialogue AAC vs TD Talk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dialogue AAC
This communication aid helps adults with speech difficulties express themselves through spelling and pre-made phrases. It offers a personalized synthesized voice and message banking for a unique communication experience. Customizable options cater to individual visual and motor needs.
- Spelling and phrase-based vocabulary
- Personalized synthesized voice creation
- Message banking import
- Customizable sentence pages
- Motor and visual access accommodations
- Switch scanning and head tracking support
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Dialogue AAC is a communication solution geared towards adults who have difficulty using their natural voice. Included is Essence, a simple spelling and phrased- based vocabulary. The Essence vocabulary allows individuals to use spelling and word prediction to say virtually anything, while having pre-made pages for quick sentences – either use pre-stored selections or create your own. Customizing with specific, personalized sentences is easy to do, allowing the system to grow with an individual’s needs. The Essence vocabulary is available in 60 and 84 locations to accommodate different visual and motor abilities. Integrated and FREE creation of a unique and personal synthesized voice through TheVoiceKeeper – a $75 value (for more information see app.thevoicekeeper.com/dialogue) Built-in Message Banking lets you import messages that use your own voice – from either MyMessageBanking.com or PRC-Saltillo Message Banking. A variety of accommodations for motor/ visual access are built in, including: Adaptations for selection/ release time when touching buttons; Integrated switch scanning, with most Bluetooth switches or the AeroSwitch from PRC-Saltillo; Integrated head tracking on iPad Pros with facial recognition; Easy customization of font and button size/ style/ color. By downloading and using the Dialogue app, the purchaser accepts the PRC-Saltillo Dialogue Software License Terms. The Manufacturer of the iOS application – Dialogue AAC is: Prentke Romich Company dba PRC-Saltillo 1022 Heyl Rd Wooster, OH 44691 USA Tel.: (330) 262-1984 // (800) 262-1984 Fax: (330) 262-4829 Email: info@aacapps.com Web: www.prc-saltillo.com The EU Authorized European Representative for the iOS application – Dialogue AAC is: Prentke Romich GmbH Karthäuserstr. 3 D-34117 Kassel Germany Tel.: (05 61) 7 85 59-0 Fax: (05 61) 7 85 59-29 Email: info@prentke-romich.de Web : www.prentke-romich.de The UK Responsible Person for the iOS application – Dialogue AAC is: Liberator Ltd “Whitegates”, 25-27 High Street Glenside Business Park West Pinchbeck, Spalding, Lincolnshire, PE11 3SA Tel: +44 (0)1733 370470 Email: info@liberator.co.uk Web: www.liberator.co.uk/ The Swiss Authorized Representative for the iOS application – Dialogue AAC is: Inspera GmbH Thunstrasse 64 | CH-3110 Münsingen Phone +41 31 819 74 60 | Mobile +41 79 435 53 09 mail@inspera.ch | www.inspera.ch
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 review sentiment: TD Talk at 75% against Dialogue AAC's 0%. TD Talk also leads on price (Free vs $99.99) and rating (4.2 vs 3.0). On ratings volume, update cadence, ads and in-app purchases 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
TD Talk is free to download; Dialogue AAC costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TD Talk holds the better App Store score, 4.2 against 3.0. Both are backed by a comparable volume of ratings — 6 and 11 respectively. Written reviews point the same way: 0% of Dialogue AAC's written reviews are positive against 75% of TD Talk's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | Dialogue AAC | TD Talk |
|---|---|---|
| Price | $99.99 | Free — better |
| Rating | 3.0 (6 ratings) | 4.2 (11 ratings) — better |
| Positive reviews | 0.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 6 | 11 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 18.0 | 17.2 — better |
| Further details — not scored | ||
| Size | 849 MB | 305 MB |
| Age rating | 4+ | 4+ |
| Developer | Prentke Romich Company | Tobii Dynavox LLC |
Customer experience
Dialogue AAC
TD Talk
In-app purchases
Dialogue AAC
No in-app purchases
TD Talk
No in-app purchases









