# Avaz AAC vs TD Snap®

The clearest difference is monetization model: Avaz AAC at free with in-app purchases against TD Snap®'s subscription. Avaz AAC also leads on review sentiment (60% vs 31%) and device support (3 vs 1). TD Snap®'s advantage is update cadence (every 2 months vs every 4 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Avaz AAC sells 4 in-app purchases, starting at $9.99 per month and TD Snap® sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.1 for Avaz AAC against 4.1 for TD Snap®. Both are backed by a comparable volume of ratings — 316 and 873 respectively. Written reviews are what separate them: 60% of Avaz AAC's written reviews are positive against 31% of TD Snap®'s.

Avaz AAC ships an update every 4 months, TD Snap® every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Avaz AAC | TD Snap® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (316 ratings)](https://appshunter.io/ios/app/avaz-aac/id909574843/reviews) | **[4.1 (873 ratings)](https://appshunter.io/ios/app/td-snap/id1072799231/reviews)** |
| Number of ratings | 316 | **873** |
| Positive reviews | **60.2% of reviews** | 30.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 169 MB | 3.4 GB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avaz, Inc.](https://appshunter.io/developer/904985795) | [Tobii Dynavox LLC](https://appshunter.io/developer/446210474) |

## 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


### TD Snap®

[App page](https://appshunter.io/ios/app/td-snap/id1072799231)

This communication software assists individuals with speech and language disabilities by offering symbol-supported and text-based communication options. It features customizable page sets and editing tools, accessible via touch, eye gaze, and switch access. A subscription is required after a trial period.

**Highlights:** Symbol-supported and text-based page sets, Customizable editing tools, Touch, eye gaze, and switch access, Picture Communication Symbols library, Visual schedules and timers, Cloud-based content syncing

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gateway Monthly | $4.99 | per month |
| PODD Monthly | $4.99 | per month |
| Metacom Monthly | $4.99 | per month |
| Speaking Upgrade Monthly | $9.99 | per month |

**What reviewers like**

- 🚀 Easy to use
- 👍 Customizable
- 🚀 Intuitive navigation
- 👍 Helpful supports and features
- 🚀 Flexible and robust

**What reviewers complain about**

- 🔒 Subscription model for voice
- 🐛 Voice issues after updates
- 💰 Expensive subscription
- 🔒 Removing previously paid features
- 🐛 Crashes and bugs

**Reported bugs**

- Voice disappearing after updates
- Crashes on launch
- Incompatibility with iPad Pro
- Inability to restore purchased content

**Requested features**

- Ability to change undo symbol
- Link to ACCIL image database
- Ability to set user age for appropriate vocabulary
- More robust core vocabulary
- Easier grammar modeling


## Frequently asked questions

### Is Avaz AAC free?

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

### Is TD Snap® free?

TD Snap® is free to download, with in-app purchases available.

### Which has better reviews, Avaz AAC or TD Snap®?

TD Snap® is rated higher. Avaz AAC averages 4.1 out of 5 from 316 ratings, while TD Snap® averages 4.1 from 873 ratings.

### Do Avaz AAC or TD Snap® have ads?

Neither Avaz AAC nor TD Snap® shows ads.

### Which is updated more often, Avaz AAC or TD Snap®?

Avaz AAC ships an update every 4 months, and TD Snap® every 2 months. Most recently, Avaz AAC was updated on November 1, 2026 and TD Snap® on November 2, 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.*