# uCertifyPrep Linux Essentials vs MD

The clearest difference is in-app purchases: MD at none against uCertifyPrep Linux Essentials's 1. MD also leads on update cadence (every 2 months vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. uCertifyPrep Linux Essentials sells 1 one-off in-app purchase. MD asks for nothing beyond the download.

uCertifyPrep Linux Essentials ships an update every 9 months, MD every 2 months. The most recent releases landed on June 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | uCertifyPrep Linux Essentials | MD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ucertifyprep-linux-essentials/id1665509265/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 121 MB | 27 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify LLC](https://appshunter.io/developer/1130631061) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### uCertifyPrep Linux Essentials

[App page](https://appshunter.io/ios/app/ucertifyprep-linux-essentials/id1665509265)

Prepare for Linux Essentials certification with a full-length practice test designed to simulate real exam conditions. Develop IT principles and gain essential skills for operating systems and common Linux programs. Study anywhere, anytime with this efficient preparation tool.

**Highlights:** Simulates real exam conditions, Covers IT principles and LPI technology, Develops skills for OS selection and Linux programs, Includes 50+ item types, Offers formative feedback and reinforcement, Gamified learning with uCertify Play

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep Linux Essentials | $49.99 | one-time |


### MD

[App page](https://appshunter.io/ios/app/md-102-endpoint-admin/id6755379414)

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

**In-app purchases:** none


## Frequently asked questions

### Is uCertifyPrep Linux Essentials free?

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

### Is MD free?

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

### Do uCertifyPrep Linux Essentials or MD have ads?

Neither uCertifyPrep Linux Essentials nor MD shows ads.

### Which is updated more often, uCertifyPrep Linux Essentials or MD?

uCertifyPrep Linux Essentials ships an update every 9 months, and MD every 2 months. Most recently, uCertifyPrep Linux Essentials was updated on June 4, 2026 and MD on October 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.*