# SFY vs Avaz AAC

The clearest difference is update cadence: Avaz AAC at every 4 months against SFY's every 52 months. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. SFY sells 1 one-off in-app purchase and Avaz AAC sells 4 in-app purchases, starting at $9.99 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 — 4.2 for SFY against 4.1 for Avaz AAC. Both are backed by a comparable volume of ratings — 151 and 316 respectively. Written reviews are what separate them: 58% of SFY's written reviews are positive against 60% of Avaz AAC's.

SFY ships an update every 52 months, Avaz AAC every 4 months. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SFY | Avaz AAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (151 ratings)](https://appshunter.io/ios/app/sfy-lite/id521884641/reviews)** | [4.1 (316 ratings)](https://appshunter.io/ios/app/avaz-aac/id909574843/reviews) |
| Number of ratings | 151 | **316** |
| Positive reviews | 58.3% of reviews | **60.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1.4 GB | 169 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Speak for Yourself LLC](https://appshunter.io/developer/482508201) | [Avaz, Inc.](https://appshunter.io/developer/904985795) |

## What reviewers say

### SFY

[App page](https://appshunter.io/ios/app/sfy-lite/id521884641)

Experience the full capabilities of an advanced Augmentative and Alternative Communication (AAC) app for 30 days. This trial allows users to explore extensive vocabulary, programming options, and helpful features to assess communication improvement before committing to the full version.

**Highlights:** 30-day free trial, Full vocabulary access (~5000 words), Full programming capabilities, Search and history features, Hold That Thought feature, Voice options

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-day Trial | Free | one-time |


### 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


## Frequently asked questions

### Is SFY free?

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

### Is Avaz AAC free?

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

### Which has better reviews, SFY or Avaz AAC?

SFY is rated higher. SFY averages 4.2 out of 5 from 151 ratings, while Avaz AAC averages 4.1 from 316 ratings.

### Do SFY or Avaz AAC have ads?

Neither SFY nor Avaz AAC shows ads.

### Which is updated more often, SFY or Avaz AAC?

SFY ships an update every 52 months, and Avaz AAC every 4 months. Most recently, SFY was updated on October 22, 2026 and Avaz AAC on October 26, 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.*