Predictable vs TD CoPilot
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
TD CoPilot
This app calibrates eye tracking devices for optimal performance and user experience. It also provides access to device settings, firmware updates, and battery status information.
- Eye tracker calibration
- Device settings customization
- Firmware update tracking
- Application version display
- Battery status verification
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TD CoPilot is the iOS-based eye tracking calibration app for your Tobii Dynavox device. Like all eye tracking systems, this device requires calibration. That's where the TD CoPilot app comes in. Quick and easy calibrations ensure your device is accurate, works correctly and delivers the best experience. The TD CoPilot app also provides access to general information such as settings, firmware updates, version numbers, and battery status. TD CoPilot functions: • Keeps your device in peak operating form by calibrating the eye tracker to your eyes • Customizes device settings to meet your specific needs • Tracks hardware updates and lets you explore the latest features and user experiences of your device • Tells you the application version • Verifies the status of your device battery life
Screenshots
Verdict
The clearest difference is price: TD CoPilot at Free against Predictable's $159.99. Predictable's advantage is rating (4.5 vs 3.7) and ratings volume (203 vs 3). On update cadence, ads, in-app purchases and iOS requirement 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
TD CoPilot is free to download; Predictable costs $159.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Predictable holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Predictable has 203 ratings behind it against 3, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.
| Parameter | Predictable | TD CoPilot |
|---|---|---|
| Price | $159.99 | Free — better |
| Rating | 4.5 (203 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 67.7% of reviews | — |
| Number of ratings | 203 — better | 3 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 1.7 GB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Prentke Romich Company | Tobii Dynavox LLC |
Customer experience
Predictable
TD CoPilot
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
TD CoPilot
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Predictable
No in-app purchases
TD CoPilot
No in-app purchases
Questions
Is Predictable free?
Is TD CoPilot free?
Which has better reviews, Predictable or TD CoPilot?
Do Predictable or TD CoPilot have ads?
Which is updated more often, Predictable or TD CoPilot?
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