# Avaz AAC vs CS Preeti Singh Classes

The clearest difference is in-app purchases: CS Preeti Singh Classes at none against Avaz AAC's 5. On price, update cadence, 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. CS Preeti Singh Classes asks for nothing beyond the download.

Avaz AAC ships an update every 4 months, CS Preeti Singh Classes every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Avaz AAC | CS Preeti Singh Classes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (316 ratings)](https://appshunter.io/ios/app/avaz-aac/id909574843/reviews)** | — |
| Number of ratings | **316** | — |
| Positive reviews | 60.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 169 MB | 33 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Avaz, Inc.](https://appshunter.io/developer/904985795) | [Valensc Solutions LLP](https://appshunter.io/developer/1539870141) |

## 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


### CS Preeti Singh Classes

[App page](https://appshunter.io/ios/app/cs-preeti-singh-classes/id6759363771)

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

**In-app purchases:** none


## Frequently asked questions

### Is Avaz AAC free?

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

### Is CS Preeti Singh Classes free?

CS Preeti Singh Classes is free to download, with no in-app purchases.

### Do Avaz AAC or CS Preeti Singh Classes have ads?

Neither Avaz AAC nor CS Preeti Singh Classes shows ads.

### Which is updated more often, Avaz AAC or CS Preeti Singh Classes?

Avaz AAC ships an update every 4 months, and CS Preeti Singh Classes every 3 months. Most recently, Avaz AAC was updated on October 29, 2026 and CS Preeti Singh Classes on October 24, 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.*