# uCertifyPrep Linux Essentials vs jor1k

The clearest difference is rating: jor1k at 5.0 against uCertifyPrep Linux Essentials's 1.0. jor1k also leads on in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. uCertifyPrep Linux Essentials sells 1 one-off in-app purchase. jor1k asks for nothing beyond the download.

jor1k holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

uCertifyPrep Linux Essentials ships an update every 9 months, jor1k every 11 months. The most recent releases landed on June 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | uCertifyPrep Linux Essentials | jor1k |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ucertifyprep-linux-essentials/id1665509265/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jor1k-linux/id6444093421/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 121 MB | 335 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [uCertify LLC](https://appshunter.io/developer/1130631061) | [Luis Acevedo-Arreguin](https://appshunter.io/developer/1642773653) |

## 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 |


### jor1k

[App page](https://appshunter.io/ios/app/jor1k-linux/id6444093421)

This app provides a Linux terminal on your iPhone or iPad, allowing you to practice basic commands for learning programming languages and exploring a different Linux flavor. It's designed for users interested in hands-on computer science education.

**Highlights:** Linux terminal emulator, Practice basic commands, Learn computer programming, Explore Linux flavors, Mobile-friendly interface

**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 jor1k free?

jor1k is free to download, with no in-app purchases.

### Which has better reviews, uCertifyPrep Linux Essentials or jor1k?

jor1k is rated higher. uCertifyPrep Linux Essentials averages 1.0 out of 5 from 1 ratings, while jor1k averages 5.0 from 1 ratings.

### Do uCertifyPrep Linux Essentials or jor1k have ads?

Neither uCertifyPrep Linux Essentials nor jor1k shows ads.

### Which is updated more often, uCertifyPrep Linux Essentials or jor1k?

uCertifyPrep Linux Essentials ships an update every 9 months, and jor1k every 11 months. Most recently, uCertifyPrep Linux Essentials was updated on June 4, 2026 and jor1k on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*