Comparison

SymbolSupport Lite vs Isaac AAC

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

Head to head
About

SymbolSupport Lite

This app allows users to read, listen to, and print documents created with a companion app. It automatically adds symbols to text as it's typed or pasted, aiding comprehension. Users can customize symbols and share documents in various formats.

Highlights
  • Read and print symbolized documents
  • Automatic symbol addition to text
  • Text-to-speech with word highlighting
  • Symbol customization and image import
  • Document sharing via AirDrop, email, cloud
Read full description

Note: SymbolSupport Lite is a free app. It can receive, read aloud, and print documents that have been created with the SymbolSupport app. SymbolSupport Lite cannot create or edit documents. It can be upgraded to the full version through the in-app Store. SymbolSupport is an iPad utility app that effortlessly adds symbols to text. As textis typed, symbols are automatically added above it. Text can also be copied from pre-existing written materials and pasted into SymbolSupport where symbols are instantly added. Documents are read with a high-quality text-to-speech voice and include word-by-word highlighting. This support helps students better understand class assignments.Symbols from Slater Literacy Support Pictures™ and Attainment’s Image Library are included. Plus, there is easy access to your camera roll and a built-in internet image search.Easy-to-use editing tools include changing auto-assigned symbols to other symbols or imported images and removing symbols from text to reduce the number of symbols on a page. SymbolSupport is designed to create symbolized text quickly and easily. Sharing these documents is equally important. Share documents via AirDrop, email, or send to any cloud storage setup on the iPad. Documents can be sent as a PDF for studentportfolios or shared with parents. Documents can also be sent as a SymbolSupport file which can be opened by SymbolSupport or SymbolSupport Lite apps.

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/

Screenshots

SymbolSupport Lite3 screens
Isaac AAC4 screens

Verdict

The call

The clearest difference is rating: Isaac AAC at 5.0 against SymbolSupport Lite's 3.3. Isaac AAC also leads on update cadence (weekly vs every 6 weeks). SymbolSupport Lite's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (4 vs 1). On price, ads, in-app purchases 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. SymbolSupport Lite sells 1 one-off in-app purchase and Isaac AAC sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Isaac AAC holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

SymbolSupport Lite ships an update every 6 weeks, Isaac AAC weekly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
SymbolSupport Lite versus Isaac AAC: the parameters behind the verdict, then further details
ParameterSymbolSupport LiteIsaac AAC
PriceFreeFree
Rating3.3 (4 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size304 MB148 MB
Age rating4+4+
DeveloperAttainment CompanyAdrian Golian

Customer experience

SymbolSupport Lite

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Isaac AAC

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

In-app purchases

1 purchases

SymbolSupport Lite

One-time1
  • Upgrade to Full Version$59.99
2 purchases

Isaac AAC

Subscriptions1
  • Monthly Subscription ISAAC$7.991 Month
One-time1
  • Isaac$4.99

Questions

Is SymbolSupport Lite free?
SymbolSupport Lite is free to download, with in-app purchases available.
Is Isaac AAC free?
Isaac AAC is free to download, with in-app purchases available.
Which has better reviews, SymbolSupport Lite or Isaac AAC?
Isaac AAC is rated higher. SymbolSupport Lite averages 3.3 out of 5 from 4 ratings, while Isaac AAC averages 5.0 from 1 ratings.
Do SymbolSupport Lite or Isaac AAC have ads?
Neither SymbolSupport Lite nor Isaac AAC shows ads.
Which is updated more often, SymbolSupport Lite or Isaac AAC?
SymbolSupport Lite ships an update every 6 weeks, and Isaac AAC weekly. Most recently, SymbolSupport Lite was updated on October 16, 2026 and Isaac AAC on October 2, 2026.

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