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Giving a voice to people. A text-to-speech app, with smart word prediction, designed for

people who have difficulty speaking.


Predictable: the basics

Predictable is the award winning app first launched back in 2011. It is used by people around the world who have little or no speech, some or all of the time. 

The main design aims are to make it quicker and easier for people to communicate when they have difficulty. People who use it have MND/ALS, cerebral palsy, autism, have had a stroke or brain injury or head and neck cancer.

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Aim: faster communication, more easily

The self-learning word prediction and accessibility features are designed to assist users to compose and speak their messages as quickly as possible, by reducing key strokes or switch hits. 

The phrase bank, floorholding feature and sentence saver are all built to make conversations flow more easily and to reduce interruptions.

Saving favourites and customising key placements are additional ways to improve interactions.


Select a voice that helps convey your identity

Choose from the high quality device voices including voices for over 26 additional languages, for multi-lingual users of Predictable.

Voice banking compatible with the key voice banking engines:

Acapela My Own Voice
SpeakUnique NEW!

Set up the app to suit you

Customise the appearance and layout of the app to make it easier for you to use depending on your physical, sensory and cognitive needs.​

Choose the access method that works for you, using switches, head tracking, facial gestures or eye tracking.

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Communicate everywhere

Predictable can be used on an iPad or iPhone to make calls using FaceTime. You can also share messages and emails, or copy text to another app.

Use Predictable at school, home, university or at work. Set up content ready to go for doctor appointments, meetings, social catch ups or to prepare a speech.

Save phrases or use
pre-set vocabulary

Predictable offers the possibility to save phrases to use when you need them, You can use the phrase bank in a grid view. It's possible to customise your phrase bank content and the size of the grid.

You can use photos, symbols or just text and organise your phrases in categories for different situations, or in topical groups.


Use head tracking and
gestures to speak

Predictable offers an enhanced head tracking feature using face recognition technology available on newer iPad Pro devices.


Face gestures are also compatible with scanning methods: you can scan the items with switches and select by blinking. You can also create recipes of gestures to create quick and easy access to a huge number of phrases.


Switch between all your languages

With 26 additional languages to choose from in Predictable English, you can truly be multi-lingual. 
Languages available with English:

  1. Arabic

  2. Chinese

  3. Czech

  4. Danish

  5. Dutch

  6. Finnish

  7. French

  8. German

  9. Greek

  10. Hebrew

  11. Hindi

  12. Hungarian

  13. Indonesian

14. Italian

15. Japanese

16. Korean

17. Norwegian

18. Polish

19. Portuguese

20. Romanian

21. Russian

22. Slovak

23. Spanish

24. Swedish

25. Thai

26. Turkish



“Be honest, what do you think about using the Predictable App on your iPad?”

“Good” he said.

“Well why? Why do you think it is going to be better?”

“Faster” he said.



We have seen a huge increase in Joe’s confidence and willingness to communicate at school since he began using Predictable

Jennifer Laughlin


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This app met all of my clients needs, and we will be requesting this app as a component of an iPad based communication device. The app has a simple interface with a well designed, easy to navigate configuration. 

Cheryl Sinner Stewart


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“Thank goodness I now have my ModelTalker ‘voice’ to use with the Predictable app on the mini iPad provided by CAYA.” - Sara's story


“Predictable knows what I want to say and helps me with my spelling. I am also using a fancy stylus which is easier than my finger to type. I use my iPad at my day program, at the doctor and a lot at my home. My house manager says that I talk more now and my confidence is better. I know I can talk to anyone. When I am tired, it’s Predictable all the way!” - Tim's story


“The iPad with the Predictable program has been a lifeline for me and i could not imagine to be without it.” - Karl's story


The CAYA team, Jan and Kathryn, set me up with “Predictable” on an iPad mini. I like the prediction and the speed I can type. It is great for presentations in class as I can save the whole thing or save it in parts.” - Tyler's story


”CAYA has provided me with more Boogie boards when I need them and the Predictable app for my iPad. Without these tools, communicating would be much more difficult for me.” - Craig's story


I got an iPad with the Predictable app from CAYA. The first time I used the app, it was new and a little bit scary in that respect. It has been hard but slowly I’m getting used to it. Kim has really encouraged me to use it. With Predictable I was able to participate in a Council meeting. To communicate with my kids (aged 6 and 11) it has been a real help. It has definitely helped me to communicate with all people.I wish that I didn’t need this but having you guys around is a blessing. That is something from the heart and I am really glad you people are around to help out.” - Norm's story


I now have an iPad with Predictable from CAYA and I am learning to email my family from Predictable and my family is sending emails and pictures to the iPad so I can stay in the loop!” - Carol's story


"I now have the Predictable app, gifted to my iPad by CAYA. Predictable is fun, easy to use and works much better than the alphabet board to get attention! I can now get through to people!” - Susan's story


“They outfitted me with an iPad Mini and “Predictable” with a keyboard. So I found that very successful, I’m able to talk and type and keep up with the conversation. I got the iPhone and they downloaded “Predictable” onto it, I use a stylus because my fingers are too fat to be effective when typing out a message.
It’s wonderful to be able to talk to family and loved ones and friends. You have a new sense of confidence when you go into the bank or go to the pharmacy and any time you deal with the public. It’s made a difference in my life. I have something that gives me confidence; it speaks for me.” - 
Neil's story


“Now, I use an iPad with the Predictable app, given to me by CAYA. Predictable helps me keep a great attitude. It helps me with confidence. I can see myself one day going back to volunteering.
Predictable has helped with personal relations as well. My good friend of 40 years calls every night at 9:30. Speaking is most difficult for me in the evening. One night, my voice was poor and I was not talking much. She said to me, “Obviously I should hang up. You don’t feel like talking.” Now, I use Predictable with her. She likes it and we can joke about how slow it is. I tell her, “It’s not slow; I am.”
It’s a great communication device with my husband as he travels for 3-4 weeks at a time for work and I can pre-program messages to use with him on the phone.
Prior to CAYA’s service, I was feeling desperate. This has changed my life.” - 
Lorraine's story


“Gary was becoming ‘locked in his mind’. You can imagine the frustration and loneliness that results from not being able to talk with others. I can’t adequately express my gratitude to CAYA for providing a communication device, with the app “Predictable”. Now Gary is able to connect with his family, his friends, and the community at large. He is able to retain his independence, make choices for himself, express his views, and basically ‘share’ himself with others. For me, his spouse, this gift has been priceless. I know my time with Gary is limited, so I value each hour, each day that I am able to be with him. I so appreciate being able to hear his thoughts and laugh with him again. Thanks, CAYA for providing this service….it’s made such an enormous difference.” - Gary and Irene's story


Alliano Ashley, Herriger Kimberly, Koutsoftas Anthony D., & Bartolotta Theresa E. (2012). A Review of 21 iPad Applications for Augmentative and Alternative Communication Purposes. Perspectives on Augmentative and Alternative Communication, 21(2), 60–71.

Balasubramanian, Y. (2018). Effects of a Mobile Tablet Device and an Augmentative and Alternative Communication (AAC) Application in Individuals with an Acquired Communication Disorder: Influence on Communication Abilities and Quality of Life. Purdue University.

Diehl, S. K., & Wallace, S. E. (2018). A modified multimodal communication treatment for individuals with traumatic brain injury. Augmentative and Alternative Communication, 34(4), 323–334.

Gilbert, J. R. (2013). Exploring the Utilization of Applications as a Form of Augmentative and Alternative Communication by Speech-Language Pathologists. Eastern Kentucky University.

Scott, A., & McPhee, M. (2014). Multidisciplinary care: Speech and language therapy. In D. Oliver, G. D. Borasio, & W. Johnston (Eds.), Palliative Care in Amyotrophic Lateral Sclerosis (pp. 215–232). Oxford University Press.

Wood, D., Raghavendra, P., Sampson, J., Scutter, S., Bilsborow, C., Fry, C., Charlesworth, M., & Kirk, I. (2013). If you leave it with me I will work it out. Journal of Telecommunications and the Digital Economy, 63(2).

How to get Predictable



  • Works on iPad and iPhone iOS12 and later

  • English, Spanish, French, German, Norwegian, Swedish, Danish, Portuguese, Dutch, Finnish versions available

  • 26 other languages in multilingual options



  • Works on Android phones and tablets running OS7

  • Available in English, German, Swedish on PlayStore

  • Contact to find out which devices have been tested



  • Options available for Predictable on a tablet or iPad set up to meet your requirements with ruggedised cases and speakers.

  • Contact to discuss your requirements

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As featured by Apple

Featured by Apple in their Meet the Developer section on the AppStore: "We all communicate in different ways, and speech and language is something that's easy to take for granted." 

You can read more here