Comparison

Isaac AAC vs DonKeyBoard AAC

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

Head to head
About

Isaac AAC

This communication app uses voice synthesis, visual symbols, and AI-powered predictive text to help individuals with communication challenges express themselves. It aims to enhance independence and quality of life for users of all ages.

Highlights
  • Advanced voice synthesis
  • Intuitive visual symbols
  • AI-powered predictive text
  • Customizable communication platform
  • Supports independence and quality of life
Features
Read full description

Our breakthrough Augmentative and Alternative Communication app Isaac AAC transforms how individuals with communication challenges effectively and confidently express their thoughts. Designed with deep understanding of the needs of users, parents, speech therapists, educational institutions. Isaac AAC integrates advanced voice synthesis, intuitive visual symbols, and AI-powered predictive text algorithms, creating a seamless and customizable communication platform. Our goal is to open new possibilities for users of all ages, support their independence, and improve their quality of life. We present a solution that promotes inclusion and ensures every voice will be heard. Functions are available only with a subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

DonKeyBoard AAC

This app facilitates communication for individuals with speech difficulties using pictograms, voice, and text. It offers a customizable interface and offline functionality to support everyday expression of needs, emotions, and messages.

Highlights
  • Pictogram, voice, and text communication
  • Tap to speak, press and hold for phrases
  • In-app typing and favorites
  • Customizable buttons, icons, and colors
  • Personal photos for custom buttons
  • Adjustable voice settings
  • Offline functionality
Features
Read full description

DonKeyBoard is an augmentative and alternative communication (AAC) app that helps people express themselves in a fast, clear, and accessible way. Using pictograms, voice, and text, it supports everyday communication for needs, pain, emotions, actions, and important daily messages. DonKeyBoard is designed for people with communication difficulties, including: • children and adults with autism or language delay • people with aphasia • people with ALS • people recovering after surgery • anyone who needs an easier and more immediate way to make themselves understood The app is free, works 100% offline, and does not collect personal data. DonKeyBoard is built around simplicity, speed, and personalization, so each user can adapt it to their own communication style. Main features • Fast communication with pictograms, voice, and text • Tap once to speak a message • Press and hold to expand the phrase • In-app typing • Favorites for quick access to important content • Customizable buttons, categories, icons, colors, and text size • Personal photos for custom buttons • Hide, reorder, and adapt buttons for each user • Adjustable voice, speech rate, and pitch • Send messages to three selected contacts • A built-in game to learn how to use the app • Export and import profiles, including preferences, custom buttons, and photos All content works directly on the device, making DonKeyBoard reliable in everyday situations even without an internet connection. DonKeyBoard was created from a very personal motivation: to build a tool that could genuinely make daily communication easier. The project continues to evolve through real-world use and feedback from families, caregivers, teachers, and professionals. For suggestions, questions, or feedback, contact: donkeyboard@icloud.com

Screenshots

Isaac AAC4 screens
DonKeyBoard AAC4 screens

Verdict

The call

The clearest difference is rating: Isaac AAC at 5.0 against DonKeyBoard AAC's 4.5. Isaac AAC also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (14.0 vs 17.6). DonKeyBoard AAC's advantage is in-app purchases (none vs 2). On price, ratings volume, ads 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

Both are free to download. Isaac AAC sells 2 in-app purchases, starting at $7.99 per month. DonKeyBoard AAC asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Isaac AAC holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Isaac AAC ships an update weekly, DonKeyBoard AAC every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
Isaac AAC versus DonKeyBoard AAC: the parameters behind the verdict, then further details
ParameterIsaac AACDonKeyBoard AAC
PriceFreeFree
Rating5.0 (1 ratings) — better4.5 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.6
Further details — not scored
Size148 MB14 MB
Age rating4++4
DeveloperAdrian GolianGuappa Desarrollo Integral SL

Customer experience

Isaac AAC

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

DonKeyBoard AAC

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

In-app purchases

2 purchases

Isaac AAC

Subscriptions1
  • Monthly Subscription ISAAC$7.991 Month
One-time1
  • Isaac$4.99
None

DonKeyBoard AAC

No in-app purchases

Questions

Is Isaac AAC free?
Isaac AAC is free to download, with in-app purchases available.
Is DonKeyBoard AAC free?
DonKeyBoard AAC is free to download, with no in-app purchases.
Which has better reviews, Isaac AAC or DonKeyBoard AAC?
Isaac AAC is rated higher. Isaac AAC averages 5.0 out of 5 from 1 ratings, while DonKeyBoard AAC averages 4.5 from 2 ratings.
Do Isaac AAC or DonKeyBoard AAC have ads?
Neither Isaac AAC nor DonKeyBoard AAC shows ads.
Which is updated more often, Isaac AAC or DonKeyBoard AAC?
Isaac AAC ships an update weekly, and DonKeyBoard AAC every 3 weeks. Most recently, Isaac AAC was updated on October 24, 2026 and DonKeyBoard AAC on October 21, 2026.

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