# Avaz AAC vs Unity Discover

The clearest difference is review sentiment: Avaz AAC at 60% against Unity Discover's 0%. Avaz AAC also leads on rating (4.1 vs 3.0) and ratings volume (316 vs 4). Unity Discover's advantage is update cadence (every 5 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Avaz AAC sells 4 in-app purchases, starting at $9.99 per month and Unity Discover sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Avaz AAC holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: Avaz AAC has 316 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 60% of Avaz AAC's written reviews are positive against 0% of Unity Discover's.

Avaz AAC ships an update every 4 months, Unity Discover every 5 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Avaz AAC | Unity Discover |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (316 ratings)](https://appshunter.io/ios/app/avaz-aac/id909574843/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/unity-discover/id6739363565/reviews) |
| Number of ratings | **316** | 4 |
| Positive reviews | **60.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 169 MB | 1.7 GB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avaz, Inc.](https://appshunter.io/developer/904985795) | [Prentke Romich Company](https://appshunter.io/developer/474446992) |

## What reviewers say

### Avaz AAC

[App page](https://appshunter.io/ios/app/avaz-aac/id909574843)

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.

**Highlights:** Symbol-based communication, Text-to-speech functionality, Customizable themes, Automatic vocabulary backup, Research-based language development, High-quality voices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Avaz Auto Renewing Subscription | $9.99 | per month |
| Avaz Yearly Subscription | $99.99 | per year |
| Lifetime Subscription | $199.99 | one-time |
| Lifetime Subscription | $299.99 | one-time |

**What reviewers like**

- 👍 User-friendly interface and easy navigation
- 🎯 Highly customizable to individual needs
- 🗣️ Clear, natural-sounding voice options
- 💬 Effective communication tool for non-verbal users
- 🎨 Clear and intuitive icons

**What reviewers complain about**

- 💸 High subscription cost ($300 lifetime, $10+ monthly)
- ⏰ Short free trial period (14 days only)
- 🚫 Misleading free trial marketing
- 🔇 Voice feature disabled after trial ends
- 🐛 Frequent app crashes and freezing

**Reported bugs**

- 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

**Requested features**

- 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


### Unity Discover

[App page](https://appshunter.io/ios/app/unity-discover/id6739363565)

This app offers a risk-free trial of a communication and language building platform. It adapts to various skill levels, supporting users from basic words to complex sentences. After the trial, users can purchase the full version or continue using a limited feature set.

**Highlights:** Risk-free trial of full features, Adaptive platform for all skill levels, Supports early to advanced language, Minspeak® vocabulary accessibility, Lite-tech board access after trial

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unity 30-Day Trial | Free | one-time |
| Unity Full Version Upgrade | $299.99 | one-time |


## Frequently asked questions

### Is Avaz AAC free?

Avaz AAC is free to download, with in-app purchases available.

### Is Unity Discover free?

Unity Discover is free to download, with in-app purchases available.

### Which has better reviews, Avaz AAC or Unity Discover?

Avaz AAC is rated higher. Avaz AAC averages 4.1 out of 5 from 316 ratings, while Unity Discover averages 3.0 from 4 ratings.

### Do Avaz AAC or Unity Discover have ads?

Neither Avaz AAC nor Unity Discover shows ads.

### Which is updated more often, Avaz AAC or Unity Discover?

Avaz AAC ships an update every 4 months, and Unity Discover every 5 weeks. Most recently, Avaz AAC was updated on October 16, 2026 and Unity Discover on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*