Predictable vs Avaz AAC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Predictable
This text-to-speech application assists individuals with communication challenges by offering smart word prediction, customizable phrases, and diverse access methods. It supports multiple languages and integrates with various voice options for personalized communication.
- Smart word prediction
- Customizable phrases and categories
- Multiple access methods (head tracking, switch access)
- Multi-language support (43 languages)
- Diverse speech and voice options
- Appearance customization
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Predictable is a multi-award winning text-to-speech app for people with conditions such as ALS/MND, autism, cerebral palsy, Down's syndrome, and more. It aims to make it easier and quicker to communicate, using a range of access methods, rate enhancement features and customisation options. Word Prediction Using smart word prediction technology, the app makes speaking out a text-based message easy. Predictable learns from your pattern of use and predicts what you will type next, making typing easier and more efficient. Phases and categories Save and organise phrases that you need quick access to in a simple grid format. Further customise your phrases by adding symbols, images, audio recordings, links and more. Shortcuts Choose from a wide range of useful and exciting features such as notes, share, translate, chatGPT and draw to customise your keyboard screen to include features that you want to use. Attach these to keyboard keys, hot corners, head tracking gestures or external keyboard shortcuts. The possibilities are endless! Multi Language Switch between any of our 43 languages* to create your personalised bilingual set up. You are able to choose a primary and secondary language and seamlessly transition between both on the go, with appropriate keyboards and voices selected for both. Languages supported include: Arabic, Bangla, Bulgarian, Catalan, Chinese, Croatian, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Kannada, Korean, Maithili, Malay, Marathi, Norwegian (Bokmal), Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Slovak, Spanish, Swedish, Tamil, Telugu, Thai, Turkish, Ukrainian, Vietnamese, Gujarati, Urdu, Somali *Some languages only offered with online voices Speech and Voice Options Compatible with standard iOS voices, including the enhanced voices available to download and your iOS personal voice. You can also use your voice-banked voice from ModelTalker, Acapela, SpeakUnique and The Voice Keeper. Accessibility Predictable offers a wide range of access methods and accessibility settings including: Direct touch features to handle accidental selection Screen tap - a scanning method where you touch the screen for selection and/or progression Switch access - accessible via Bluetooth switch box + switches (compatible with Therapy Box Switch Box and RJ Cooper Switch Interface) as well as Head tracking face gestures. Head tracking - use facial recognition to interact with the app with no calibration or extra hardware required. Auditory preview - hear the onscreen text before selection. Scanning - Build your own, is a brand new access method in Predictable. Customise your own scanning method by combining timer, screen tap, switch access and gestures. Appearance Customise the layout and appearance to truly optimise the app to your preferences by changing the layout, font size, colours and more. Different keyboard options (including QWERTY, Ten Key, Apple and Bluetooth) and different templates (including Dark, High Contrast and Low vision) are available to make this customisation clear and simple. Web Platform Log in remotely and manage your settings and grid content from our web platform. The web platform is compatible with the myMessageBanking.com format to make importing easy. Support User guides are available on your app, and on the Therapy Box website. Send any questions to support@therapy-box.co.uk. You can find more about Predictable at https://therapy-box.co.uk/predictable
Avaz AAC
This app is a communication tool for individuals with speech difficulties, offering a vast library of symbols and voices to help users express themselves and build relationships. It supports language development from single words to full sentences and offers customizable features for personalized communication.
- Text-to-speech communication
- Over 40,000 symbols
- High-quality voices
- Secure backup and restore
- Customizable visual themes
- Multi-language support
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Overview 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. Why Families Trust Avaz “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. Core AAC Features 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! Secure Backup & Restore 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! Personalization with Themes 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. Free Trial – No Credit Card Required 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. Available in Major Languages Now available in English US, English UK, Français, Dansk, Svenska, Magyar, Føroyskt is fully compatible with iPads and iPhones. Responsive Support 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 for Schools: 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/
Screenshots
Verdict
The clearest difference is price: Predictable at $159.99 against Avaz AAC's $299.99. Predictable also leads on update cadence (every 2 months vs every 5 months). Avaz AAC's advantage is review sentiment (91% vs 68%). On rating, ratings volume, 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
Predictable costs $159.99 and Avaz AAC $299.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.5 for Predictable against 4.5 for Avaz AAC. Both are backed by a comparable volume of ratings — 203 and 74 respectively. Written reviews are what separate them: 68% of Predictable's written reviews are positive against 91% of Avaz AAC's.
Predictable ships an update every 2 months, Avaz AAC every 5 months. The most recent releases landed on September 19, 2026 and September 25, 2026 respectively.
| Parameter | Predictable | Avaz AAC |
|---|---|---|
| Price | $159.99 — better | $299.99 |
| Rating | 4.5 (203 ratings) | 4.5 (74 ratings) |
| Positive reviews | 67.7% of reviews | 91.3% of reviews — better |
| Number of ratings | 203 — better | 74 |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 14.0 — better |
| Further details — not scored | ||
| Size | 1.7 GB | 169 MB |
| Age rating | 4+ | 4+ |
| Developer | Prentke Romich Company | Avaz, Inc. |
Customer experience
Predictable
Avaz AAC
Bugs and requests
Predictable
Reported bugs
9 issues- App crashes frequently
- Password reset emails not received
- App freezes
- Acapela voice not working
- Cannot copy message to clipboard
Show 4 moreShow fewer
- Twitter integration crashes/invalid token
- Emailing messages causes crash
- Lost Australian Lee voice after update
- Antisemitism in word prediction
Requested features
15 requests- Add child's voices
- Edit size of message window in grid view
- Adjust font size of message window
- Edit color of font or background of individual cells
- Edit individual cells for speaking on touch vs. automatic
Show 10 moreShow fewer
- Add print option
- Allow hiding of settings/edit button without guided access
- Improve transition to phrase banks
- Adjust font size in suggestions
- Enable cursor for editing
- Add user control for saving history (on/off)
- Improve switch access functionality
- Add more male voice options
- Allow customization of keypad size
- Add full stop and comma keys to main keyboard
Avaz AAC
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Predictable
No in-app purchases
Avaz AAC
No in-app purchases
Questions
Is Predictable free?
Is Avaz AAC free?
Which has better reviews, Predictable or Avaz AAC?
Do Predictable or Avaz AAC have ads?
Which is updated more often, Predictable or Avaz AAC?
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