Avaz AAC vs Math Skills Builder Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Avaz AAC
This app empowers individuals with speech difficulties to communicate freely. It aids language development by presenting core words and allows users to form sentences and express themselves with over 40,000 pictures and high-quality voices. Customizable themes and effortless backup options enhance the user experience.
- Symbol-based communication
- Text-to-speech functionality
- Customizable themes
- Automatic vocabulary backup
- Research-based language development
- High-quality voices
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Avaz AAC is an assistive communication app that empowers children & adults with Autism, Cerebral Palsy, Down Syndrome, Aphasia, Apraxia, and individuals with speech difficulties to communicate freely and build meaningful relationships. “My daughter has nearly mastered navigation, so much so that one day she brought it to me to show me she wanted Taco Bell for lunch. This made me cry. My child had a voice for the first time. Thank you for being the one to give my daughter that "voice". - Amy Kinderman Designed to aid language development, by presenting core words, which make up 80% of everyday speech, in a research-based order. This enables users to progress from using 1-2 word phrases to forming complete sentences. Avaz, a fully AAC text-to-speech app with over 40,000 pictures(Symbolstix) and a range of high-quality voices, enables users to form sentences and express themselves with ease quickly. Avaz is a customizable AAC app that empowers users to express themselves authentically and build meaningful connections! Effortless Backup and Themes Enjoy the convenience of auto backup for worry-free vocabulary progress. Simply choose how often you want your vocabulary progress backed up with our auto-backup interval selection option. Never lose your progress again! We understand our users have different preferences for cloud storage, so we made it easy to back up your vocabulary to your preferred platform, including popular ones like Google Drive. Explore our visual themes - Classic Light, Classic Dark (with high contrast), and Outer Space (a dark mode). Our default dark mode has been beneficial for adult users and those using Avaz with eye-tracking devices. Try Avaz AAC's free 14-day trial without adding credit card details! Make in-app purchases and choose from our affordable monthly, yearly, and lifetime subscription plans to keep benefiting from the amazing features. Now available in English US, English UK, Français, Dansk, Svenska, Magyar, Føroyskt is fully compatible with iPads and iPhones. If you’re new to AAC, don’t worry! Visit www.avazapp.com for beginner-friendly articles to help you get started. Connect with our passionate Avaz community on Facebook and other social media platforms. We are always happy to hear from you. For any assistance, please write to us at support@avazapp.com Note: Avaz AAC - Lifetime Edition is available for a one-time purchase and offers a 50% discount with VPP for 20+ licenses. Terms of Use - https://www.avazapp.com/terms-of-use/ Privacy Policy - https://www.avazapp.com/privacy-policy/
Math Skills Builder Lite
This app helps students apply early numeracy skills to solve real-world math problems. It uses math stories and concrete strategies to teach when to add or subtract. Research indicates the program is highly effective for developing problem-solving abilities.
- Real-world math problem scenarios
- Early numeracy skill application
- Concrete addition/subtraction strategies
- Multiple learning modes
- Research-backed effectiveness
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(Note: This free version limits program to only the first unit and no assessment. Available through in app purchase.) Teaches students how to apply their early numeracy skills to solve problems. Using math stories with real-world scenarios, students learn concrete strategies (using multiple modes of learning) for knowing when to add or subtract to solve the math story. Research found the program extremely effective in teaching students to be successful problem solvers.
Screenshots
Verdict
The clearest difference is rating: Math Skills Builder Lite at 5.0 against Avaz AAC's 4.1. Avaz AAC's advantage is ratings volume (316 vs 1) and update cadence (every 4 months vs every 19 months). On price, 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
Both are free to download. Avaz AAC sells 4 in-app purchases, starting at $9.99 per month and Math Skills Builder Lite sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Math Skills Builder Lite holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Avaz AAC has 316 ratings behind it against 1, so its average is the more settled of the two.
Avaz AAC ships an update every 4 months, Math Skills Builder Lite every 19 months. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.
| Parameter | Avaz AAC | Math Skills Builder Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (316 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 60.2% of reviews | — |
| Number of ratings | 316 — better | 1 |
| Update frequency | Every 4 months — better | Every 19 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 169 MB | 191 MB |
| Age rating | 4+ | 4+ |
| Developer | Avaz, Inc. | Attainment Company |
Customer experience
Avaz AAC
Math Skills Builder Lite
Bugs and requests
Avaz AAC
Reported bugs
11 issues- App crashes when typing or entering letters
- Screen freezes when searching for pictures
- Voice functionality stops working randomly
- Audio not playing despite correct volume settings
- App loses voice after several uses
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- Backup import puts boards into single folder instead of original structure
- Screen rotation issues with keyboard
- App takes long time to load on tablets
- Sentence word order incorrect with screen reader (words with icons read last)
- Internet connection error during subscription
- Slow customer support response times
Requested features
10 requests- Free or significantly reduced pricing for disabled users
- Longer free trial period (20+ days suggested)
- Ability to save and reuse phrases
- Online two-way communication capability
- Video and user-created image support
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- Vertical orientation option for small hands
- Extended gender identity options beyond binary
- Automatic phrase copying without premium
- Lifetime membership after extended subscription period
- Picture upload and backup/restore functionality
Math Skills Builder Lite
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Avaz AAC
- Avaz Auto Renewing Subscription$9.991 Month
- Avaz Yearly Subscription$99.991 Year
- Lifetime Subscription2 variants$199.99
- Lifetime Subscription$299.99
Math Skills Builder Lite
- Full Version$59.99
Questions
Is Avaz AAC free?
Is Math Skills Builder Lite free?
Which has better reviews, Avaz AAC or Math Skills Builder Lite?
Do Avaz AAC or Math Skills Builder Lite have ads?
Which is updated more often, Avaz AAC or Math Skills Builder Lite?
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