Vocablog vs XK0
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Vocablog
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VocabLog ā Master English Vocabulary & Grammar with 14,000+ Words VocabLog is the vocabulary and grammar app for English learners at every level. From A1 basics to C2 mastery ā including IELTS and TOEFL preparation ā it helps you learn words, understand grammar and actually remember both, with spaced repetition and a calm, distraction-free design. 14,000+ WORDS AND EXPRESSIONS ⢠Every word aligned to CEFR levels A1āC2 ⢠Phrasal verbs, idioms, slang and IELTS & TOEFL vocabulary ⢠Clear definitions, example sentences and synonyms ⢠Hear every word spoken aloud ⢠Thematic categories: Travel & Places, Food & Drinks, Business English and more ⢠Dictionary search ā find words by spelling or by meaning ⢠Add your own words and review them alongside everything else 58 GRAMMAR TOPICS, 1,450 QUESTIONS ⢠Tenses, modals, passive voice, conditionals, inversion, hedging and more ⢠Clear rules with examples, from A1 to C2 ⢠Every quiz answer is explained, with a link straight to the rule ⢠Quick check under each rule, so you practise as soon as you've read it ⢠Daily review mixes questions from every topic you've studied ā the ones you miss come back first ⢠Exercises get harder as you improve: choose, then type, then build the sentence LEARN YOUR WAY ⢠Learn Mode ā flashcards with spaced repetition (SRS) ⢠Swipe ā right if you know it, left to review, up to save ⢠Test Mode ā multiple-choice and synonym questions ⢠Spelling Drill ā type the word from its meaning ⢠Writing Practice ā complete example sentences with the right form (went, goes, teeth), not just the dictionary word ⢠Review log, statistics, daily goal and streaks BUILT TO LAST ⢠Works offline ā learn anywhere ⢠Word of the Day ⢠Back up and restore all your progress ⢠iPhone and iPad, with Dynamic Type and VoiceOver support ⢠No ads, no account, no tracking FREE & PRO Free ā A1 & A2 vocabulary, Learn and Swipe modes, Word of the Day, Spelling Drill (A1āA2), the rules of two grammar topics (Tenses and Articles), up to 150 saved words, 20 new cards a day and a daily dictionary allowance. VocabLog Pro ā one purchase, no subscription: B1, B2, C1 and C2 levels, all 58 grammar topics with quizzes, Quick check and Daily review, Test Mode and Writing Practice, notes, unlimited saved words, your own words and dictionary lookups, unlimited new cards every day, and iCloud sync across your devices. PRIVACY Your progress stays on your device (Pro can sync through your own iCloud). VocabLog has no ads, no account and no tracking.
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.
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Verdict
The clearest difference is in-app purchases: XK0 at none against Vocablog's 1. Vocablog's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Vocablog sells 1 one-off in-app purchase. XK0 asks for nothing beyond the download.
Vocablog ships an update every 2 weeks, XK0 every 3 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.
| Parameter | Vocablog | XK0 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks ā better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad | iPhone, iPad, iPod ā better |
| Requires iOS | 16.0 | 15.0 ā better |
| Further details ā not scored | ||
| Size | 9 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | ERDINC ERSOY | Davy Raitt |
In-app purchases
Vocablog
- VocabLog Pro$3.99
XK0
No in-app purchases









