# Voice4u AAC vs Grace 4

The clearest difference is price: Grace 4 at $39.99 against Voice4u AAC's $59.99. Grace 4 also leads on in-app purchases (none vs 2) and ratings volume (45 vs 12). Voice4u AAC's advantage is update cadence (every 2 months vs every 8 months) and review sentiment (71% vs 56%). On rating, ads and device support there is nothing between them.

Voice4u AAC costs $59.99 and Grace 4 $39.99 up front. Voice4u AAC sells 2 in-app purchases, starting at $0.99 per month. Grace 4 asks for nothing beyond the download.

Voice4u AAC holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 12 and 45 respectively. Written reviews point the same way: 71% of Voice4u AAC's written reviews are positive against 56% of Grace 4's.

Voice4u AAC ships an update every 2 months, Grace 4 every 8 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | Voice4u AAC | Grace 4 |
| --- | --- | --- |
| Price | $59.99 | **$39.99** |
| Rating | **[4.7 (12 ratings)](https://appshunter.io/ios/app/voice4u-aac/id339916109/reviews)** | [4.5 (45 ratings)](https://appshunter.io/ios/app/grace-4/id360574688/reviews) |
| Number of ratings | 12 | **45** |
| Positive reviews | **70.8% of reviews** | 55.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 89 MB | 17 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spectrum Visions](https://appshunter.io/developer/339916112) | [Steven Troughton-Smith](https://appshunter.io/developer/286133549) |

## What reviewers say

### Voice4u AAC

[App page](https://appshunter.io/ios/app/voice4u-aac/id339916109)

This app provides a picture-based communication system for individuals with speech challenges, such as autism or stroke. It allows users to create custom symbols with their own photos and voices, and offers text-to-speech in over 30 languages. It's designed to be portable, customizable, and easy to use, bridging communication gaps.

**Highlights:** Picture-based communication, Customizable symbols with own photos/voice, Text-to-speech in 30+ languages, Over 180 pre-designed symbols, Switch accessible, Offline use, Data backup and sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voice4u Pro (Monthly Subscription) | $0.99 | per month |
| Voice4u Pro (Annual Subscription) | $9.99 | per year |


### Grace 4

[App page](https://appshunter.io/ios/app/grace-4/id360574688)

This app facilitates communication for individuals with speech disabilities using a picture exchange system. Users can select images to build sentences, share them with communication partners, and customize content with their own photos and labels. It supports vocal output and offers adjustable settings for various needs.

**Highlights:** Picture exchange communication, Customizable image library, Sentence strip creation, Optional vocal output, Fullscreen sentence view, Adjustable card sizes

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use interface
- 💡 Great for visual learners
- 👍 Flexible customization options
- 👍 Useful for non-verbal individuals
- 👍 Good PECS alternative

**What reviewers complain about**

- 👎 Lacks voice output
- 👎 Limited built-in content
- 👎 High price for functionality
- 👎 Not user-friendly for some
- 👎 Can be confusing initially

**Reported bugs**

- App flashing on and off
- App closes unexpectedly
- Cannot see pictures when clicking icon headers
- Imported pictures show on top of each other
- Issues with adding own categories

**Requested features**

- Ability to record own voice
- Add own categories
- Remove existing categories
- More cards/images
- Add own cards to existing categories


## Frequently asked questions

### Is Voice4u AAC free?

Voice4u AAC costs $59.99, and also offers in-app purchases.

### Is Grace 4 free?

Grace 4 costs $39.99, with no in-app purchases.

### Which has better reviews, Voice4u AAC or Grace 4?

Voice4u AAC is rated higher. Voice4u AAC averages 4.7 out of 5 from 12 ratings, while Grace 4 averages 4.5 from 45 ratings.

### Do Voice4u AAC or Grace 4 have ads?

Neither Voice4u AAC nor Grace 4 shows ads.

### Which is updated more often, Voice4u AAC or Grace 4?

Voice4u AAC ships an update every 2 months, and Grace 4 every 8 months. Most recently, Voice4u AAC was updated on October 23, 2026 and Grace 4 on October 23, 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.*