Comparison

Grid for iPad vs TD Talk

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Grid for iPad

This app provides a comprehensive Augmentative and Alternative Communication (AAC) solution for individuals with diverse communication needs. It offers flexible tools, evidence-based resources, and customizable features that adapt as users' needs evolve.

Highlights
  • Evidence-based AAC resources
  • Online community grid sets
  • In-app and remote editing
  • AI-powered design tools
  • Multiple symbol libraries
  • Multilingual support
  • Pre-built communication resources
Features
Read full description

Grid for iPad is a complete Augmentative and Alternative Communication (AAC) solution designed for people of all ages and communication needs. It offers a range of resources, flexible communication tools, and options that can be adapted over time. Try it FREE for 30 days - voices included! Key features: ► A range of included content for people who need symbol or text based AAC, including Super Core, Voco Chat, and Text Talker ► Suitable for use with touch access or switches. ► Evidence-based symbol AAC vocabularies, created by experienced speech and language therapists and education professionals, with a focus on vocabulary for communicating within everyday routines and activities. ► Includes SymbolStix, PCS and Widgit symbols – choose the symbol library that is most suitable, to match the symbols already being used in the environment, or to support transition from other AAC systems. ► Voices and grid sets for over 20 languages to support communication in a range of languages. Ideal for multilingual families or classrooms. Why families and professionals choose Grid for iPad for children and adults with communication difficulties: ► In-app editing – Fast, intuitive editing makes it easy to add new words, personalise vocabulary, and adapt layouts to the needs of the individual. ► Remote Editing – SLTs, teachers and families can edit any time, without needing the device in their hands. ► Powerful voice technology – Choose from a range of voices, including the latest AI powered multilingual voices from ElevenLabs, or for those who are able to, record your own voice messages. ► AI Powered Tools - Make use of optional tools to correct typing errors, or support the user to change the tone or wording of their message. ► Talk to your Smart Speaker – Use Grid for iPad to speak instructions to smart home devices, request music, hear the latest news and weather, play games and ask questions. ► Online Grids – Do even more with Grid for iPad by searching and downloading FREE ready-made grid sets created by clinicians, educators, and the Grid community. What’s included: ► Super Core - Evidence-based core vocabulary focused on communication within everyday routines and activities. Designed for supporting AAC learners from single words to building full sentences. Available in 30‑cell and 50‑cell sizes, with simpler 12 and 20 cell learning grids for those just starting out. ►Voco Chat – Designed to enable users to communicate for a wide range of reasons, with supported message pathways and carefully chosen vocabulary, for fast and efficient symbol communication. ► Alpha Core - Offers a range of text-based layouts to support the communication of people with changing physical abilities, with quick access to predictive text and common phrases, alongside a keyboard of your choice. ► Text Talker - Enabling people to say what they want to say in the moment, or prepare and save messages in advance for faster conversations. ►Aphasia Duo - Designed specifically for people with aphasia and their communication partners to support participation in everyday life, including a range of word-finding and conversational supports, and whiteboard for writing and drawing. ► PODD (in-app purchase) - Created by Australian Speech Pathologist Gayle Porter, PODD organises language according to the reason for communication, designed to support spontaneous communication in any situation. ► And MUCH more - Grid for iPad also includes a range of interactive learning activities (just try Dilbert the Dog!), animated communication from Symoji, and educational resources. Simple, flexible pricing: Grid for iPad is available through a monthly subscription with a 30-day FREE trial or as a one-off purchase. You can cancel your subscription at any time. Contact our tech support experts any time at support@thinksmartbox.com For more details on our evidence-based vocabularies, visit the Smartbox Hub.

About

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.

Highlights
  • 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
Features
Read full description

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

Verdict

The call

The clearest difference is rating: TD Talk at 4.2 against Grid for iPad's 3.6. TD Talk also leads on in-app purchases (none vs 3) and review sentiment (75% vs 50%). Grid for iPad's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (15.0 vs 17.2). On price, ratings volume, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Grid for iPad sells 3 in-app purchases, starting at $10.99 per month. TD Talk asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TD Talk holds the better App Store score, 4.2 against 3.6. Both are backed by a comparable volume of ratings — 18 and 11 respectively. Written reviews point the same way: 50% of Grid for iPad's written reviews are positive against 75% of TD Talk's.

UpkeepUpdate frequency

Grid for iPad ships an update fortnightly, TD Talk every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Grid for iPad versus TD Talk: the parameters behind the verdict, then further details
ParameterGrid for iPadTD Talk
PriceFreeFree
Rating3.6 (18 ratings)4.2 (11 ratings) — better
Positive reviews50.0% of reviews75.0% of reviews — better
Number of ratings18 — better11
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPadiPad
Requires iOS15.0 — better17.2
Further details — not scored
Size1.4 GB305 MB
Age rating4+4+
DeveloperSmartbox Assistive TechnologyTobii Dynavox LLC

Customer experience

Grid for iPad

All ratings18 ratings
Positive61.1%
Neutral5.6%
Negative33.3%
Written reviews12 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

TD Talk

All ratings10 ratings
Positive80.0%
Neutral10.0%
Negative10.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

3 purchases

Grid for iPad

Subscriptions1
  • Grid for iPad Subscription1 Month trial$10.991 Month
One-time2
  • PODD for Grid (English)$99.00
  • Grid for iPad one-off purchase$299.99
None

TD Talk

No in-app purchases

Questions

Is Grid for iPad free?
Grid for iPad is free to download, with in-app purchases available.
Is TD Talk free?
TD Talk is free to download, with no in-app purchases.
Which has better reviews, Grid for iPad or TD Talk?
TD Talk is rated higher. Grid for iPad averages 3.6 out of 5 from 18 ratings, while TD Talk averages 4.2 from 11 ratings.
Do Grid for iPad or TD Talk have ads?
Neither Grid for iPad nor TD Talk shows ads.
Which is updated more often, Grid for iPad or TD Talk?
Grid for iPad ships an update fortnightly, and TD Talk every 2 months. Most recently, Grid for iPad was updated on November 2, 2026 and TD Talk on November 3, 2026.

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