Comparison

Proloquo4Text AAC vs Spell Tap

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

Spell Tap

This communication tool is designed for nonspeaking individuals who use spelled communication. It offers a simple interface with a stencil-like layout for easy selection of letters and numbers, and utilizes text-to-speech for spoken output. The app is fully functional offline and free of ads and in-app purchases.

Highlights
  • Stencil-like layout for easy input
  • Automatic Text to Speech
  • Offline functionality
  • No ads or in-app purchases
  • Simple user interface
  • Separated typing and history boxes
Features
Currently charting
Read full description

Spell Tap is what we like to think of as a laminate on the go, designed for and tested by nonspeaking individuals with autism who utilize spelled communication. **Utilizing Apple's built in TTS** Fully functional on iPad and iPhone Community driven Key Features: -No Ads -No internet connection is required to use the app, ensuring accessibility in various settings and situations. -No In-App Purchases, Enjoy all the features of the app without the hassle of additional costs or hidden charges. - Stencil like layout for numbers, letters, and special characters - Automatic Text to Speech with 7 voice options -Separated typing box and conversation history -Simple UI. Introducing Spell Tap – a thoughtful and user-friendly communication tool specifically designed for those who face challenges with fine motor skills. This innovative app offers a seamless and accessible way to communicate by utilizing a unique style interface that allows users to easily select letters, numbers, and common special characters without the need for intricate hand movements. The primary aim of this application is to provide a simple, yet effective alternative means of communication across a wide range of devices, enabling nonspeaking individuals to stay connected with ease. Whether you’re in need of assistance or simply looking for a more efficient method of expressing yourself, this app serves as an inclusive solution. Your feedback and suggestions are important to us – and we encourage you to share your thoughts. Our roadmap for future updates and features can be found here: https://github.com/AndImCurtis/Spell_Tap/blob/main/README.md . For any suggestions or inquiries, feel free to reach out via email at: benderson927@gmail.com. We’re excited to help you communicate more effortlessly and effectively, and we look forward to hearing from you as we continue to improve and evolve the app. Note from developer: I wanted to create a tool for nonspeaking individuals to have access to communication no matter where they were. No more searching for laminates or letterboards… We put the letterboard on the devices that we already carry with us everywhere. While this app is still in its early stages, I am open to all feedback to help shape this into an application suited for everyone who can use it.

Screenshots

Proloquo4Text AAC4 screens
Spell Tap2 screens

Verdict

The call

The clearest difference is price: Spell Tap at $5.99 against Proloquo4Text AAC's $59.99. Spell Tap also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 90%). Proloquo4Text AAC's advantage is ratings volume (933 vs 2) and chart position (#52 vs #170). 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

Proloquo4Text AAC costs $59.99 and Spell Tap $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Spell Tap 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 2, so its average is the more settled of the two. Written reviews point the same way: 90% of Proloquo4Text AAC's written reviews are positive against 100% of Spell Tap's.

UpkeepUpdate frequency

Proloquo4Text AAC ships an update every 3 months, Spell Tap every 2 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 6 level
Proloquo4Text AAC versus Spell Tap: the parameters behind the verdict, then further details
ParameterProloquo4Text AACSpell Tap
Price$59.99$5.99 — better
Rating4.7 (933 ratings)5.0 (2 ratings) — better
Positive reviews90.5% of reviews100.0% of reviews — better
Number of ratings933 — better2
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#52 — better#170
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.018.0
Further details — not scored
Size453 MB72 MB
Age rating4+4+
DeveloperAssistiveWareCurtis Bender

Customer experience

Proloquo4Text AAC

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

Spell Tap

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
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

Spell Tap

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Proloquo4Text AAC

No in-app purchases

None

Spell Tap

No in-app purchases

Questions

Is Proloquo4Text AAC free?
Proloquo4Text AAC costs $59.99, with no in-app purchases.
Is Spell Tap free?
Spell Tap costs $5.99, with no in-app purchases.
Which has better reviews, Proloquo4Text AAC or Spell Tap?
Spell Tap is rated higher. Proloquo4Text AAC averages 4.7 out of 5 from 933 ratings, while Spell Tap averages 5.0 from 2 ratings.
Do Proloquo4Text AAC or Spell Tap have ads?
Neither Proloquo4Text AAC nor Spell Tap shows ads.
Which is updated more often, Proloquo4Text AAC or Spell Tap?
Proloquo4Text AAC ships an update every 3 months, and Spell Tap every 2 months. Most recently, Proloquo4Text AAC was updated on October 20, 2026 and Spell Tap on October 8, 2026.
Which is more popular, Proloquo4Text AAC or Spell Tap?
Proloquo4Text AAC currently peaks at #52 in the App Store charts, and Spell Tap at #170. Chart position reflects recent download velocity rather than total install base.

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