# Slow Speed vs MyoSync Mobile

The clearest difference is iOS requirement: Slow Speed at 13.4 against MyoSync Mobile's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Slow Speed ships an update every 5 months, MyoSync Mobile every 3 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Slow Speed | MyoSync Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 27 MB | 50 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Universitair Medisch Centrum St Radboud](https://appshunter.io/developer/1178017274) | [Vivos Therapuetics](https://appshunter.io/developer/1697252556) |

## What reviewers say

### Slow Speed

[App page](https://appshunter.io/ios/app/slow-speed/id6446640265)

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

**In-app purchases:** none


### MyoSync Mobile

[App page](https://appshunter.io/ios/app/myosync-mobile/id6505077344)

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

**In-app purchases:** none


## Frequently asked questions

### Is Slow Speed free?

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

### Is MyoSync Mobile free?

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

### Do Slow Speed or MyoSync Mobile have ads?

Neither Slow Speed nor MyoSync Mobile shows ads.

### Which is updated more often, Slow Speed or MyoSync Mobile?

Slow Speed ships an update every 5 months, and MyoSync Mobile every 3 months. Most recently, Slow Speed was updated on September 20, 2026 and MyoSync Mobile on September 10, 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.*