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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

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.

Try eye tracking on
the iPad

Predictable now offers integration with the Irisbond Hiru eye tracker, so that Predictable can be controlled entirely with eye-gaze, available on newer iPad Pro devices.


Face gestures are also compatible with eye tracking: you can look at the items and select them by blinking. Watch the video to see how accurate it is!














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


Predictable user stories

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


Predictable AAC


How to get Predictable

Predictable app


  • 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

Predictable APpStore
Predictable app


  • Works on Android phones and tablets running OS7

  • Available in English, German, Swedish on PlayStore

  • Contact to find out which devices have been tested

Therapy Box Google Play
Predictable app


  • 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

Predictable as featured by Apple

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


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