Comparison

Proloquo4Text AAC vs Unity AAC

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

Head to head
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
Currently charting
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.

About

Unity AAC

This app offers a comprehensive augmentative and alternative communication (AAC) system with a research-based vocabulary. It adapts to users of all ages and skill levels, supporting language development and independence through various access methods and customizable layouts. Multiple language options are available.

Highlights
  • Core word vocabulary system
  • Supports multiple access methods
  • Customizable button layouts
  • High-quality synthesized voices
  • Vocabulary Builder and Word Finder tools
  • Language progress tracking
Features
Read full description

Unity® AAC: Empowering Communication for All Ages The Unity AAC app features the Unity vocabulary, a widely used augmentative and alternative communication (AAC) solution, trusted by tens of thousands of individuals worldwide. Unity offers a flexible, intuitive platform that adapts to users of all skill levels, helping them communicate more effectively and build language skills for greater independence. The Unity AAC app makes this research-based, Minspeak® vocabulary more accessible for all voices. Whether you're just beginning to explore communication or seeking more advanced capabilities, Unity grows with you. It supports early communication with simple words and expands to complex adult-level language, all within one system. English, German, and Spanish vocabulary options are available. Who Can Benefit from Unity? Designed for individuals of all ages, Unity supports a wide range of users, including those with apraxia, cerebral palsy, autism, Down syndrome, Rett syndrome, and other communication challenges. It accommodates different access methods, such as: • Touch • Head tracking (integrated into the app) • Eye tracking (using iOS Accessibility) • Switch scanning (using iOS Accessibility or integrated into the app) (Access methods may be dependent on iPad® or iPhone® hardware and software compatibility.) Key Features and Benefits: • High quality Acapela® and Almagu voices • Comprehensive Vocabulary: Multi-meaning pictures mean thousands of words are stored under a smaller set of symbols for more nuanced, independent communication. • Pre-programmed Vocabulary Builder™ Lists: Quickly engage with ready-to-use vocabulary builder lists, based on developmentally appropriate language growth. • Flexible User Options: Choose from 28, 36, 60, or 84 button layouts to suit your needs and communication style. • Consistent Motor Plans: Smooth, predictable interactions that support easier learning and greater independence over time. Two Versions for All Skill Levels: o 1-hit: A simplified version with hundreds of core words and basic communication options. o Sequenced: A more advanced system with thousands of words, including full word endings for complex communication. User-Friendly Tools: o Word Finder: Quickly locate any word within the system. o Vocabulary Builder: Customize and limit vocabulary visible on the display to reduce overwhelm and focus on key words. o Realize Language™ Integration: Track progress with easy-to-use language analysis and data logging tools. o Built-in Tutorial: New to Unity? The app includes a built-in tutorial to help you get started with the Unity language system. iPhone and iPad are trademarks of Apple Inc., registered in the U.S. and other countries. By downloading and using the Unity AAC app, the purchaser accepts the PRC-Saltillo Unity AAC Software License Terms. The Manufacturer of the iOS application – Unity AAC is: Prentke Romich Company dba PRC-Saltillo 1022 Heyl Rd Wooster, OH 44691 USA Tel.: (330) 262-1984 // (800) 262-1984 Fax: (330) 262-4829 Email: info@aacapps.com Web: www.prc-saltillo.com The EU Authorized European Representative for the iOS application – Unity AAC is: Prentke Romich GmbH Karthäuserstr. 3 D-34117 Kassel Germany Tel.: (05 61) 7 85 59-0 Fax: (05 61) 7 85 59-29 Email: info@prentke-romich.de Web : www.prentke-romich.de The UK Responsible Person for the iOS application – Unity AAC is: Liberator Ltd Glenside Business Park West Pinchbeck, Spalding, Lincolnshire, PE11 3SA Tel: +44 (0)1733 370470 Email: info@liberator.co.uk Web: www.liberator.co.uk/ The Swiss Authorized Representative for the iOS application – Unity AAC is: Inspera GmbH Thunstrasse 64 | CH-3110 Münsingen Phone +41 31 819 74 60 | Mobile +41 79 435 53 09 mail@inspera.ch | www.inspera.ch

Screenshots

Proloquo4Text AAC4 screens
Unity AAC4 screens

Verdict

The call

The clearest difference is price: Proloquo4Text AAC at $59.99 against Unity AAC's $149.99. Proloquo4Text AAC also leads on ratings volume (933 vs 1) and chart position (#40 vs unranked). Unity AAC's advantage is rating (5.0 vs 4.7) and update cadence (every 5 weeks vs every 3 months). On ads, in-app purchases, monetization model and device support 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

Proloquo4Text AAC costs $59.99 and Unity AAC $149.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Unity AAC holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Proloquo4Text AAC has 933 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Proloquo4Text AAC ships an update every 3 months, Unity AAC every 5 weeks. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 5 level
Proloquo4Text AAC versus Unity AAC: the parameters behind the verdict, then further details
ParameterProloquo4Text AACUnity AAC
Price$59.99 — better$149.99
Rating4.7 (933 ratings)5.0 (1 ratings) — better
Positive reviews90.5% of reviews—
Number of ratings933 — better1
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#40 — better—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.016.0 — better
Further details — not scored
Size453 MB1.7 GB
Age rating4+4+
DeveloperAssistiveWarePrentke Romich Company

Customer experience

Proloquo4Text AAC

All ratings933 ratings
Positive95.0%
Neutral3.0%
Negative2.0%
Written reviews63 reviews
Positive90.5%
Neutral1.6%
Negative7.9%

Unity AAC

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

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

Unity AAC

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Proloquo4Text AAC

No in-app purchases

None

Unity AAC

No in-app purchases

Questions

Is Proloquo4Text AAC free?
Proloquo4Text AAC costs $59.99, with no in-app purchases.
Is Unity AAC free?
Unity AAC costs $149.99, with no in-app purchases.
Which has better reviews, Proloquo4Text AAC or Unity AAC?
Unity AAC is rated higher. Proloquo4Text AAC averages 4.7 out of 5 from 933 ratings, while Unity AAC averages 5.0 from 1 ratings.
Do Proloquo4Text AAC or Unity AAC have ads?
Neither Proloquo4Text AAC nor Unity AAC shows ads.
Which is updated more often, Proloquo4Text AAC or Unity AAC?
Proloquo4Text AAC ships an update every 3 months, and Unity AAC every 5 weeks. Most recently, Proloquo4Text AAC was updated on October 15, 2026 and Unity AAC on October 9, 2026.

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