Comparison

Voice4u AAC vs Action Matrix

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

Head to head
About

Voice4u AAC

This app provides a picture-based communication system for individuals with speech challenges, such as autism or stroke. It allows users to create custom symbols with their own photos and voices, and offers text-to-speech in over 30 languages. It's designed to be portable, customizable, and easy to use, bridging communication gaps.

Highlights
  • Picture-based communication
  • Customizable symbols with own photos/voice
  • Text-to-speech in 30+ languages
  • Over 180 pre-designed symbols
  • Switch accessible
  • Offline use
  • Data backup and sync
Features
Read full description

Voice4u is picture-based communication app for those who have speech speech challenges. There could be countless reasons of why individuals may be struggling with impeding communication; autism, stroke, language barrier, traumatic brain injury, and etc. It can be a frustrating process for both the struggling individual, and the ones around him/her. Unlikely from conventional AAC communication devices, Voice4u is portable, customizable, and easy-to-use communication tool. With Voice4u, you can easily bridge the communication gap and have a more better and accurate understanding of the individual’s wants and needs. It comes with numerous of vivid and memorable specially designed images that can help assist and improve language. In addition, you can create as many as icons you need using your own photos and voice. In case you can’t record voice, Voice4u can generate voices for you in 30+ languages. The app is developed through collaboration with professionals, such as, speech language pathologists, special education teachers, parents of special needs individuals, and researchers. Voice4u has been used in 100+ countries around the world since 2009. ----- FEATURES ------ - Over 180 symbols (icons), consisting of specially designed graphics and clear, easy-to-listen audios. - You can add your own symbols (icons) as many as 10,000 depending on the storage space of your device. - You can add a new symbol (icon) as fast as 5 seconds by taking advantage of machine learning algorithms. - Voice4u can generate voice in 30 different languages (instead of you record your own voice). - Switch Accessible: You can control Voice4u with Bluetooth Switch Interface from RJ Cooper & Associates. - You can wirelessly backup your data and synchronize your data between all devices you own. - Voice4u can be used off-line. Terms of Use: http://voice4uaac.com/terms Privacy Policy: http://voice4uaac.com/privacy ----- WITH VOICE4U YOU CAN ----- - Create a visual schedule - Create a visual social story - Be able to tell stories, explain an event or occasion - Make and share delicious visual recipes - Use for both adult and children

About

Action Matrix

This educational app presents actions in a visual row. Tapping an action's image triggers a related animation in the top display area. Each action features three distinct pictures and animations to explore.

Highlights
  • Visual action display
  • Interactive animations
  • Multiple animations per action
  • Simple tap interface
  • Educational content
Read full description

Actions are displayed in a row. When the user taps on an action's picture, an animation related to that action plays in the box at the top of the screen. In this program, there are three pictures and animations for each action. Click on a picture to view the next picture and animation.

Screenshots

Voice4u AAC3 screens
Action Matrix4 screens

Verdict

The call

The clearest difference is price: Action Matrix at Free against Voice4u AAC's $59.99. Action Matrix also leads on review sentiment (100% vs 71%) and rating (5.0 vs 4.7). Voice4u AAC's advantage is update cadence (every 2 months vs every 14 months) and ratings volume (12 vs 1). On 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

Action Matrix is free to download; Voice4u AAC costs $59.99 up front. Voice4u AAC sells 2 in-app purchases, starting at $0.99 per month and Action Matrix sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Action Matrix holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Voice4u AAC has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of Voice4u AAC's written reviews are positive against 100% of Action Matrix's.

UpkeepUpdate frequency

Voice4u AAC ships an update every 2 months, Action Matrix every 14 months. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

Scorecard7 real differences · 3 level
Voice4u AAC versus Action Matrix: the parameters behind the verdict, then further details
ParameterVoice4u AACAction Matrix
Price$59.99Free — better
Rating4.7 (12 ratings)5.0 (1 ratings) — better
Positive reviews70.8% of reviews100.0% of reviews — better
Number of ratings12 — better1
Update frequencyEvery 2 months — betterEvery 14 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size89 MB133 MB
Age rating4+4+
DeveloperSpectrum VisionsBlooming Kids Software LLC

Customer experience

Voice4u AAC

All ratings12 ratings
Positive91.7%
Neutral8.3%
Negative0.0%
Written reviews24 reviews
Positive70.8%
Neutral12.5%
Negative16.7%

Action Matrix

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Voice4u AAC

Subscriptions2
  • Voice4u Pro (Monthly Subscription)14 Days trial$0.991 Month
  • Voice4u Pro (Annual Subscription)14 Days trial$9.991 Year
1 purchases

Action Matrix

One-time1
  • ActionMatrix$3.99

Questions

Is Voice4u AAC free?
Voice4u AAC costs $59.99, and also offers in-app purchases.
Is Action Matrix free?
Action Matrix is free to download, with in-app purchases available.
Which has better reviews, Voice4u AAC or Action Matrix?
Action Matrix is rated higher. Voice4u AAC averages 4.7 out of 5 from 12 ratings, while Action Matrix averages 5.0 from 1 ratings.
Do Voice4u AAC or Action Matrix have ads?
Neither Voice4u AAC nor Action Matrix shows ads.
Which is updated more often, Voice4u AAC or Action Matrix?
Voice4u AAC ships an update every 2 months, and Action Matrix every 14 months. Most recently, Voice4u AAC was updated on October 14, 2026 and Action Matrix on October 11, 2026.

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