# Avaz AAC vs Echo

The clearest difference is rating: Echo at 5.0 against Avaz AAC's 4.1. Echo also leads on in-app purchases (none vs 5) and update cadence (every 2 weeks vs every 4 months). Avaz AAC's advantage is ratings volume (315 vs 1) and iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Avaz AAC sells 4 in-app purchases, starting at $9.99 per month. Echo asks for nothing beyond the download.

Echo holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Avaz AAC has 315 ratings behind it against 1, so its average is the more settled of the two.

Avaz AAC ships an update every 4 months, Echo every 2 weeks. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Avaz AAC | Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (315 ratings)](https://appshunter.io/ios/app/avaz-aac/id909574843/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/echo-auditory-scanning/id6451412975/reviews)** |
| Number of ratings | **315** | 1 |
| Positive reviews | 59.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 169 MB | 9 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avaz, Inc.](https://appshunter.io/developer/904985795) | [Ace Centre](https://appshunter.io/developer/1304772616) |

## 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


### Echo

[App page](https://appshunter.io/ios/app/echo-auditory-scanning/id6451412975)

This communication aid uses auditory scanning for individuals with visual and physical impairments. It offers sound cues and distinct voices for navigation and expression, accessible via switches, gestures, or arrow keys.

**Highlights:** Auditory scanning communication method, Sound cues for navigation, Separate voices for cues and speech, External switch access, Swipe gesture control, Arrow key navigation

**Features:** macOS Compatibility, Game Controller support

**In-app purchases:** none


## Frequently asked questions

### Is Avaz AAC free?

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

### Is Echo free?

Echo is free to download, with no in-app purchases.

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

Echo is rated higher. Avaz AAC averages 4.1 out of 5 from 315 ratings, while Echo averages 5.0 from 1 ratings.

### Do Avaz AAC or Echo have ads?

Neither Avaz AAC nor Echo shows ads.

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

Avaz AAC ships an update every 4 months, and Echo every 2 weeks. Most recently, Avaz AAC was updated on September 25, 2026 and Echo on June 1, 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.*