# Lingodorf vs DevOps Engineer Pro Prep

The clearest difference is in-app purchases: Lingodorf at none against DevOps Engineer Pro Prep's 1. Lingodorf also leads on update cadence (weekly vs monthly). DevOps Engineer Pro Prep's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. DevOps Engineer Pro Prep sells 1 one-off in-app purchase. Lingodorf asks for nothing beyond the download.

Lingodorf ships an update weekly, DevOps Engineer Pro Prep monthly. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Lingodorf | DevOps Engineer Pro Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 30 MB | 116 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ulugbek Allayorov](https://appshunter.io/developer/1865437344) | [AITYTECH](https://appshunter.io/developer/1885549185) |

## What reviewers say

### Lingodorf

[App page](https://appshunter.io/ios/app/lingodorf/id6757227269)

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

**In-app purchases:** none


### DevOps Engineer Pro Prep

[App page](https://appshunter.io/ios/app/devops-engineer-pro-prep/id6761751530)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Lingodorf free?

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

### Is DevOps Engineer Pro Prep free?

DevOps Engineer Pro Prep is free to download, with in-app purchases available.

### Do Lingodorf or DevOps Engineer Pro Prep have ads?

Neither Lingodorf nor DevOps Engineer Pro Prep shows ads.

### Which is updated more often, Lingodorf or DevOps Engineer Pro Prep?

Lingodorf ships an update weekly, and DevOps Engineer Pro Prep monthly. Most recently, Lingodorf was updated on September 17, 2026 and DevOps Engineer Pro Prep on September 16, 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.*