# Solid Logic vs Myokine

The clearest difference is in-app purchases: Solid Logic at none against Myokine's 2. Solid Logic also leads on ads (none vs shown). Myokine's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Myokine sells 2 in-app purchases, starting at $6.99 per month. Solid Logic asks for nothing beyond the download.

Solid Logic ships an update every 6 weeks, Myokine every 2 months. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Solid Logic | Myokine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 134 MB | 220 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Eric Ciceron](https://appshunter.io/developer/1725635928) | [Hasegi Inc.](https://appshunter.io/developer/1755968233) |

## What reviewers say

### Solid Logic

[App page](https://appshunter.io/ios/app/solid-logic/id6476047136)

**Features:** macOS Compatibility

**In-app purchases:** none


### Myokine

[App page](https://appshunter.io/ios/app/myokine-home-workout/id6760098284)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $6.99 | per month |
| Yearly Premium | $49.99 | per year |


## Frequently asked questions

### Is Solid Logic free?

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

### Is Myokine free?

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

### Do Solid Logic or Myokine have ads?

Myokine shows ads; Solid Logic does not.

### Which is updated more often, Solid Logic or Myokine?

Solid Logic ships an update every 6 weeks, and Myokine every 2 months. Most recently, Solid Logic was updated on September 8, 2026 and Myokine on September 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.*