# Isaac AAC vs DonKeyBoard AAC

The clearest difference is rating: Isaac AAC at 5.0 against DonKeyBoard AAC's 4.5. Isaac AAC also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (14.0 vs 17.6). DonKeyBoard AAC's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Isaac AAC sells 2 in-app purchases, starting at $7.99 per month. DonKeyBoard AAC asks for nothing beyond the download.

Isaac AAC holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Isaac AAC ships an update weekly, DonKeyBoard AAC every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Isaac AAC | DonKeyBoard AAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isaac-aac/id6746368688/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/donkeyboard-aac/id6760141504/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Subscription | **Free** |
| Size | 148 MB | 14 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Adrian Golian](https://appshunter.io/developer/1816458968) | [Guappa Desarrollo Integral SL](https://appshunter.io/developer/947481476) |

## What reviewers say

### Isaac AAC

[App page](https://appshunter.io/ios/app/isaac-aac/id6746368688)

This communication app uses voice synthesis, visual symbols, and AI-powered predictive text to help individuals with communication challenges express themselves. It aims to enhance independence and quality of life for users of all ages.

**Highlights:** Advanced voice synthesis, Intuitive visual symbols, AI-powered predictive text, Customizable communication platform, Supports independence and quality of life

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription ISAAC | $7.99 | per month |
| Isaac | $4.99 | one-time |


### DonKeyBoard AAC

[App page](https://appshunter.io/ios/app/donkeyboard-aac/id6760141504)

This app facilitates communication for individuals with speech difficulties using pictograms, voice, and text. It offers a customizable interface and offline functionality to support everyday expression of needs, emotions, and messages.

**Highlights:** Pictogram, voice, and text communication, Tap to speak, press and hold for phrases, In-app typing and favorites, Customizable buttons, icons, and colors, Personal photos for custom buttons, Adjustable voice settings, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Isaac AAC free?

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

### Is DonKeyBoard AAC free?

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

### Which has better reviews, Isaac AAC or DonKeyBoard AAC?

Isaac AAC is rated higher. Isaac AAC averages 5.0 out of 5 from 1 ratings, while DonKeyBoard AAC averages 4.5 from 2 ratings.

### Do Isaac AAC or DonKeyBoard AAC have ads?

Neither Isaac AAC nor DonKeyBoard AAC shows ads.

### Which is updated more often, Isaac AAC or DonKeyBoard AAC?

Isaac AAC ships an update weekly, and DonKeyBoard AAC every 3 weeks. Most recently, Isaac AAC was updated on October 24, 2026 and DonKeyBoard AAC on October 21, 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.*