Comparison

Predictable vs Proloquo4Text AAC

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Proloquo4Text AAC

This text-to-speech app assists individuals who cannot use their voice to communicate. It features a streamlined interface for easy typing, customizable layouts, and quick access to common phrases. Users can personalize voices, adjust appearance, and integrate with messaging and calling functions.

Highlights
  • Single-screen interface for easy typing
  • Customizable screen layout and appearance
  • Quick access to saved phrases
  • Advanced word prediction
  • Multiple natural-sounding voices
  • Integration with messaging and calls
  • Offline communication capability
Features
Read full description

Proloquo4Text™ is a text to speech app for those who cannot rely on their voice to speak. The app is laid out on a single screen to reduce the effort of typing. The layout enables easy, daily conversation and quick access to your most common phrases. Personalize it to your needs and preferences, whether that’s through choosing from the many voices available, or through customizing your screen layout. Proloquo4Text is the leading AAC solution for literate adults, teens and children. It is used by people with a wide range of diagnoses, including developmental disabilities (like autism, apraxia, and cerebral palsy) and acquired disorders (like laryngectomy, ALS, stroke, or traumatic brain injury). Proloquo4Text can be used to produce speech by anyone who can type and spell. Communicate with ease • Use the single screen for easy access to words, phrases and keyboard • Switch easily between conversations, making it easy to answer a question in another conversation, without disrupting what you typed in the first conversation. • Decide when you speak with play, pause and speak-as-you-type • Adjust appearance (font, color, text size) to your preference and needs Reduce typing effort • Create, save and organize commonly used phrases • Make typing quicker with advanced, self-learning PolyPredix™ word prediction • Show what you typed with the fullscreen view and flip text features • Type once, then say it again with history and sentence prediction • Use keyboard shortcuts for quick access when using an external keyboard Choose your voice • Download, natural-sounding voices within Proloquo4Text. All premium Acapela voices are included in Proloquo4Text with no in-app purchase. • Add personality and humor to your conversations with free specialty voices • Choose from over 100 voices in 18 languages, so you can find the one that sounds most like you. Switch easily between languages. • Use my-own-voice, a voice-banking technology, to preserve and capture the essence of your own voice in synthetic speech. Share your world • Send email, messages, and tweets from Proloquo4Text • Write in Proloquo4Text and copy your text into another app • Listen to text by pasting into Proloquo4Text • Make phone and FaceTime video calls with Proloquo4Text. Take your voice anywhere • Proloquo4Text is available on both iOS and macOS. With iOS, you can use the app on your iPhone, iPad, and Apple Watch. The Mac version is a separate purchase on the Mac App Store. • Smoothly transition between devices, thanks to Proloquo4Text’s consistent navigation on iPhone and iPad • Easily access your commonly used phrases on Apple Watch, and just tap to show or speak them. You can customize the contents shown on the Watch from your iPhone. Accessibility features • Follow words as they are spoken with optional sentence or word highlighting • Optimized for Switch Control and VoiceOver • Communicate without an internet connection • Use multitasking functionality to run another app side-by-side on supported devices • Keep your devices in sync by easily backing up and restoring your customizations and stored phrases. AssistiveWare® is the developer of Proloquo2Go®, an award-winning symbol-based communication app that provides a voice to over 200,000 individuals around the world. Additional note: Educational institutions can get a 50% discount if they purchase 20 or more licenses through Apple’s Volume Purchase Program for Education.

Screenshots

Predictable4 screens
Proloquo4Text AAC4 screens

Verdict

The call

The clearest difference is price: Proloquo4Text AAC at $119.99 against Predictable's $159.99. Proloquo4Text AAC also leads on review sentiment (90% vs 68%) and rating (4.7 vs 4.5). Predictable's advantage is iOS requirement (15.5 vs 18.0). On update cadence, ads, in-app purchases and monetization model 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

Predictable costs $159.99 and Proloquo4Text AAC $119.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Proloquo4Text AAC holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 203 and 910 respectively. Written reviews point the same way: 68% of Predictable's written reviews are positive against 90% of Proloquo4Text AAC's.

UpkeepUpdate frequency

Predictable ships an update every 2 months, Proloquo4Text AAC every 3 months. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Predictable versus Proloquo4Text AAC: the parameters behind the verdict, then further details
ParameterPredictableProloquo4Text AAC
Price$159.99$119.99 — better
Rating4.5 (203 ratings)4.7 (910 ratings) — better
Positive reviews67.7% of reviews90.3% of reviews — better
Number of ratings203910 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.5 — better18.0
Further details — not scored
Size1.7 GB451 MB
Age rating4+4+
DeveloperPrentke Romich CompanyAssistiveWare

Customer experience

Predictable

All ratings203 ratings
Positive86.2%
Neutral6.9%
Negative6.9%
Written reviews65 reviews
Positive67.7%
Neutral6.2%
Negative26.2%

Proloquo4Text AAC

All ratings910 ratings
Positive95.2%
Neutral2.9%
Negative2.0%
Written reviews62 reviews
Positive90.3%
Neutral1.6%
Negative8.1%

User reviews

Predictable

From 203 App Store ratings

What we love

  • 🗣️ Essential communication tool
  • 👍 Easy to operate
  • ✨ Voice banking/recording feature
  • 🗣️ Natural-sounding voices (e.g., 'Kate')
  • 🌟 Life-changing for users

Room to improve

  • 💰 Too expensive
  • 🐛 Frequent glitches and crashes
  • 🔒 Password/login issues
  • 📱 iPhone app issues/not updated
  • 👎 Makes communication harder (updates)

Proloquo4Text AAC

From 910 App Store ratings

What we love

  • 👍 Helpful app for communication
  • 💡 Customizable appearance and vocabulary
  • 🚀 Efficient for quick communication
  • 👍 Useful for those with speech impediments
  • 👍 Enhances communication abilities

Room to improve

  • 🐛 Robotic and less expressive voice
  • 🐛 Occasional keyboard issues
  • 💰 Expensive compared to alternatives

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 more
  • 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 more
  • 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

Proloquo4Text AAC

Reported bugs

2 issues
  • Keyboard switching issue when using third-party keyboards
  • Passcode locking the app unexpectedly

Requested features

4 requests
  • Ability to adjust voice tone more precisely
  • Option to speak entire text box regardless of cursor position
  • Integrated iOS keyboard with prediction
  • Separate volume control for the app

In-app purchases

None

Predictable

No in-app purchases

None

Proloquo4Text AAC

No in-app purchases

Questions

Is Predictable free?
Predictable costs $159.99, with no in-app purchases.
Is Proloquo4Text AAC free?
Proloquo4Text AAC costs $119.99, with no in-app purchases.
Which has better reviews, Predictable or Proloquo4Text AAC?
Proloquo4Text AAC is rated higher. Predictable averages 4.5 out of 5 from 203 ratings, while Proloquo4Text AAC averages 4.7 from 910 ratings.
Do Predictable or Proloquo4Text AAC have ads?
Neither Predictable nor Proloquo4Text AAC shows ads.
Which is updated more often, Predictable or Proloquo4Text AAC?
Predictable ships an update every 2 months, and Proloquo4Text AAC every 3 months. Most recently, Predictable was updated on September 19, 2026 and Proloquo4Text AAC on September 21, 2026.

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