Comparison

XK0 vs More Brain

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

Head to head
About

XK0

Features
Read full description

PASS YOUR COMPTIA LINUX+ (XK0-006) EXAM Master Linux system administration with 500+ practice questions designed to get you certified on your first attempt. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Linux+ professionals earn up to $203K annually (Skillsoft 2024). With Linux powering 96% of the world's top servers, cloud infrastructure, and container platforms, CompTIA Linux+ validates the skills employers demand across DevOps, cloud, and sysadmin roles. WHAT YOU'LL MASTER: • Boot process and GRUB2 configuration including kernel parameters and boot targets • Filesystem Hierarchy Standard with /etc, /var, /proc, and tmpfs mount points • Systemd service management including unit files, targets, and journalctl logging • User and group administration with passwd, shadow, sudoers, and PAM modules • SELinux security enforcement with contexts, booleans, and policy troubleshooting • Bash scripting with variables, loops, conditionals, exit codes, and cron scheduling • Python scripting for Linux automation including file handling and subprocess calls • Git version control with branching, merging, rebasing, and remote repositories • Docker and Podman container management including images, volumes, and networking • Kubernetes orchestration with pods, deployments, services, and kubectl operations • Ansible and OpenTofu infrastructure as code for configuration management at scale • Package management across RPM, dpkg, yum, dnf, and apt ecosystems • PXE network booting and kickstart automated provisioning for bare-metal deployments • X11 and Wayland display protocols including remote access and GPU configuration • AI/ML integration for system administration including log analysis and anomaly detection STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into Linux administration expertise. Download now. Pass your exam. Master Linux.

About

More Brain

Features
Read full description

Practice mental math, memory, reading and attention in short sessions that fit your day. Choose a trainer or game, adjust the available settings and keep your results on your device. Reading practice: find words, letters and numbers, pick odd or even numbers, and spot differences between word and number pairs. Follow moving markers in Eye Movement and Line Dynamics. Adjust the available difficulty, rounds, letter-search timer and pace. Explore 28 activities, including 7 games: - Practice numbers, sequences, cell patterns, Schulte tables, rapid words and target tracking. - Learn mental calculation with 60 lessons and worked examples. - Play Air Traffic Control, Railway Dispatcher, Sorting Center and Sudoku. - Try No Repeats, Free the Arrows and Minesweeper. - Build your daily workout, save favorites and follow progress for each activity. - Choose from 6 palettes with light, dark and system appearance. No ads. No account required. Available in 13 languages. Training history, settings and local profiles stay on your device. Start with Free: basic trainer sessions, up to 2 activities in a daily workout, selected basic game levels and all 60 mental math lessons to read. Lesson practice and tests require Premium. Easy difficulty is available in all 3 new games; all 4 No Repeats picture sets are available on Free. Premium unlocks advanced trainer settings, lesson practice and tests, additional game maps and more activities in your workout. Premium Family adds local family profiles. Subscriptions renew automatically unless canceled in Apple Account settings. The current price and terms are shown in the purchase sheet. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

XK03 screens
More Brain4 screens

Verdict

The call

The clearest difference is in-app purchases: XK0 at none against More Brain's 4. XK0 also leads on iOS requirement (15.0 vs 17.0). More Brain's advantage is update cadence (weekly vs every 3 months). On price, ads and device support 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. More Brain sells 4 in-app purchases, starting at $0.99 per month. XK0 asks for nothing beyond the download.

UpkeepUpdate frequency

XK0 ships an update every 3 months, More Brain weekly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 6 level
XK0 versus More Brain: the parameters behind the verdict, then further details
ParameterXK0More Brain
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size27 MB57 MB
Age rating4+4+
DeveloperDavy RaittAleksandr Koroviakovskii

In-app purchases

None

XK0

No in-app purchases

4 purchases

More Brain

Subscriptions4
  • Premium Monthly14 Days trial$0.991 Month
  • Family Premium Monthly14 Days trial$1.991 Month
  • Premium Annual14 Days trial$4.991 Year
Show 1 more
  • Family Premium Annual14 Days trial$9.991 Year

Questions

Is XK0 free?
XK0 is free to download, with no in-app purchases.
Is More Brain free?
More Brain is free to download, with in-app purchases available.
Do XK0 or More Brain have ads?
Neither XK0 nor More Brain shows ads.
Which is updated more often, XK0 or More Brain?
XK0 ships an update every 3 months, and More Brain weekly. Most recently, XK0 was updated on October 21, 2026 and More Brain on October 24, 2026.

Other comparisons