XK0 vs More Brain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XK0
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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.
More Brain
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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
Verdict
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
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.
XK0 ships an update every 3 months, More Brain weekly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | XK0 | More Brain |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 27 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Davy Raitt | Aleksandr Koroviakovskii |
In-app purchases
XK0
No in-app purchases
More Brain
- Premium Monthly14 Days trial$0.991 Month
- Family Premium Monthly14 Days trial$1.991 Month
- Premium Annual14 Days trial$4.991 Year
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- Family Premium Annual14 Days trial$9.991 Year









