Comparison

uCertifyPrep Linux Essentials vs jor1k

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

uCertifyPrep Linux Essentials

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
Read full description

uCertify Linux Essentials TestPrep is a full-length practice test that can be configured to closely follow the exam objectives and is designed to simulate real testing conditions. The TestPrep focuses on developing principles in the IT industry using LPI technology and imparts skills required for selecting the operating system, working with software licensing, using common Linux programs, and more. It allows you to study anywhere, anytime from your mobile device. It is a simple solution that can be used effortlessly to prepare for Linux Essentials certification. We attempt to make your learning more efficient by redefining your preparation. uCertify Linux Essentials TestPrep Features: -Uses any of the 50+ item types including auto-graded performance items. -For formative tests, students receive feedback and reinforcement, therefore, improving their test-taking skills and strategies. -Available both as a standalone product and also as part of the uCertify course. -Offers uCertify Play - a gamified version of TestPrep that has a deep foundation in learning science. -uCertify Play helps students both retain and recall better by using randomization, mastery, and spaced learning. uCertify TestPrep questions are designed by subject matter experts who ensure that learners prepare under actual exam conditions using the item-types expected to appear in the actual certification exam. Need help regarding our features? Please contact https://www.ucertify.com/support.php with your queries or suggestions. We are available 24x7!

About

jor1k

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
Read full description

jor1k was one of the first Linux terminals designed to work on a web browser. Here you have the opportunity to use your iPhone or iPad to practice some basic commands to learn computer programming languages and test another flavor of Linux.

Screenshots

uCertifyPrep Linux Essentials2 screens
jor1k2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
uCertifyPrep Linux Essentials versus jor1k: the parameters behind the verdict, then further details
ParameteruCertifyPrep Linux Essentialsjor1k
PriceFreeFree
Rating1.0 (1 ratings)5.0 (1 ratings) — better
Number of ratings11
Update frequencyEvery 9 months — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.5
Further details — not scored
Size121 MB335 MB
Age rating4+17+
DeveloperuCertify LLCLuis Acevedo-Arreguin

Customer experience

uCertifyPrep Linux Essentials

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

jor1k

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

uCertifyPrep Linux Essentials

One-time1
  • uCertifyPrep Linux Essentials$49.99
None

jor1k

No in-app purchases

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.

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