# Solyd vs Certificação Linux

The clearest difference is in-app purchases: Solyd at none against Certificação Linux's 3. Solyd also leads on update cadence (every 6 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Certificação Linux sells 3 one-off in-app purchases. Solyd asks for nothing beyond the download.

Solyd ships an update every 6 weeks, Certificação Linux every 4 months. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Solyd | Certificação Linux |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Size | 42 MB | 38 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mindz LTDA](https://appshunter.io/developer/1740766081) | [Uira Ribeiro](https://appshunter.io/developer/6778160711) |

## What reviewers say

### Solyd

[App page](https://appshunter.io/ios/app/solyd/id6494987930)

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

**In-app purchases:** none


### Certificação Linux

[App page](https://appshunter.io/ios/app/certificacao-linux/id6778160709)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Linux Essentials | $49.99 | one-time |
| Curso Linux LPIC-1 | $49.99 | one-time |
| Curso LPIC-2 | $49.99 | one-time |


## Frequently asked questions

### Is Solyd free?

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

### Is Certificação Linux free?

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

### Do Solyd or Certificação Linux have ads?

Neither Solyd nor Certificação Linux shows ads.

### Which is updated more often, Solyd or Certificação Linux?

Solyd ships an update every 6 weeks, and Certificação Linux every 4 months. Most recently, Solyd was updated on October 13, 2026 and Certificação Linux on October 24, 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.*