# myBioness vs Speech Assistant AAC

The clearest difference is review sentiment: Speech Assistant AAC at 81% against myBioness's 26%. Speech Assistant AAC also leads on rating (4.5 vs 3.1) and update cadence (every 3 weeks vs every 5 months). myBioness's advantage is price (Free vs $24.99). On ratings volume, ads, in-app purchases and iOS requirement there is nothing between them.

myBioness is free to download; Speech Assistant AAC costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Speech Assistant AAC holds the better App Store score, 4.5 against 3.1. Both are backed by a comparable volume of ratings — 35 and 104 respectively. Written reviews point the same way: 26% of myBioness's written reviews are positive against 81% of Speech Assistant AAC's.

myBioness ships an update every 5 months, Speech Assistant AAC every 3 weeks. Both last shipped on November 2, 2026.

## The numbers

| Metric | myBioness | Speech Assistant AAC |
| --- | --- | --- |
| Price | **Free** | $24.99 |
| Rating | [3.1 (35 ratings)](https://appshunter.io/ios/app/mybioness/id1037396102/reviews) | **[4.5 (104 ratings)](https://appshunter.io/ios/app/speech-assistant-aac/id1139762358/reviews)** |
| Number of ratings | 35 | **104** |
| Positive reviews | 26.3% of reviews | **81.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#22** |
| Size | 50 MB | 131 MB |
| Requires iOS | 16.6 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Bioness Inc](https://appshunter.io/developer/984030243) | [Ton Schalke](https://appshunter.io/developer/1139762357) |

## What reviewers say

### myBioness

[App page](https://appshunter.io/ios/app/mybioness/id1037396102)

This app controls a functional electrical stimulation system designed to improve mobility for individuals with foot drop or knee instability due to neurological conditions. It allows users to adjust stimulation modes and levels, monitor activity, and set daily step goals.

**Highlights:** Control stimulation modes, Adjust stimulation levels, Set daily step goals, Monitor activity graphs, Universal device control

**In-app purchases:** none


### Speech Assistant AAC

[App page](https://appshunter.io/ios/app/speech-assistant-aac/id1139762358)

**Currently charting:** #22 Top Paid · Medical, #152 Top Grossing · Medical (US App Store)

This text-to-speech app assists individuals with speech impairments by allowing them to create custom buttons with saved phrases and symbols. It offers a fully customizable interface, various voice options including AI clones, and can be used during phone calls. The app supports multiple user profiles and iCloud backups for easy data transfer.

**Highlights:** Customizable buttons with phrases and symbols, Multiple voice options including AI clones, Full-screen mode for large font display, Category and subcategory organization, User profiles for multiple individuals, iCloud backup and transfer

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Life-saver for communication
- 👍 Highly customizable
- 👍 Easy to use
- 👍 Affordable price
- 👍 Versatile across devices

**What reviewers complain about**

- 🐛 Inconsistent syncing
- 🐛 Issues with transparent backgrounds
- 🐛 Unpleasant default voices
- 🐛 Costly for some
- 🐛 Family sharing problems

**Reported bugs**

- Default category button cannot be deleted
- Images with transparent backgrounds turn white
- Color picker does not work
- Blank word slot in new subcategories cannot be deleted
- Recorded or imported audio on buttons doesn't play on phone calls

**Requested features**

- Ability to move sub-categories
- Toggle for reading category names
- Sub-sub-categories
- Option to choose image files
- Color picker for customization


## Frequently asked questions

### Is myBioness free?

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

### Is Speech Assistant AAC free?

Speech Assistant AAC costs $24.99, with no in-app purchases.

### Which has better reviews, myBioness or Speech Assistant AAC?

Speech Assistant AAC is rated higher. myBioness averages 3.1 out of 5 from 35 ratings, while Speech Assistant AAC averages 4.5 from 104 ratings.

### Do myBioness or Speech Assistant AAC have ads?

Neither myBioness nor Speech Assistant AAC shows ads.

### Which is updated more often, myBioness or Speech Assistant AAC?

myBioness ships an update every 5 months, and Speech Assistant AAC every 3 weeks. Most recently, myBioness was updated on November 2, 2026 and Speech Assistant AAC on November 2, 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.*
