SkillCert vs Yabai Word
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SkillCert
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γAbout This Appγ Supports over 200 certifications and qualifications! Compete in real-time battles and weekly ranked matches using AI-generated exam questions based on official certification names and syllabi. Connect with fellow learners through SNS-style features and chat to expand your learning community. γFeaturesγ β’ Real-Time Battles: Compete online against other users using certification knowledge. Winners are determined by both accuracy and response speed. β’ Ranked Matches: Weekly seasonal rankings! Visualize your ranking and deviation score through competitive matches. β’ Practice Mode: Randomly selects 10 questions from the exam database. Ask AI about topics you do not understand. Users can vote questions as Good/Bad, and questions receiving many Bad votes are automatically removed every week. β’ Flashcards / Glossary β’ Community Features: Stay motivated and connect with like-minded learners through timelines (SNS), direct messaging, and chat features. β’ AI Diagnostic System: Automatically identifies weak areas and suggests the next best study actions to minimize learning time. γTerms of Service / Privacy Policyγ Terms of Service: https://scba-ai.com/en/terms Privacy Policy: https://scba-ai.com/en/privacy
Yabai Word
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Ever wondered what that slang term in your favorite anime or J-pop lyric actually means? Yabai Word teaches you the Japanese your textbook never will. FEATURES β’ Today's Slang β a new word every day, hand-picked from categories: basic expressions, youth slang, internet slang, anime/otaku terms, oshi fandom language, and gyaru culture (classic & reiwa era) β’ Native pronunciation β tap the speaker icon to hear every word spoken aloud β’ Example sentences β see slang used in real, natural context β’ Archive β browse the full word collection anytime β’ Quiz mode β test what you've learned β’ Favorites β save the words you want to remember β’ Japanese mode β switch the whole app to Japanese with the EN/ζ₯ button for explanations, origins and today's equivalents written for native speakers: a step up for advanced learners β’ 300 words β now including 45 retro slang words from Japan's 80s to the 2010s Whether you're an anime fan, a J-pop listener, learning Japanese for travel, or just want to understand what your favorite creators are actually saying, Yabai Word gets you talking like a native β not a textbook. Yabai Word Premium (auto-renewing subscription, monthly or yearly) unlocks the full archive with complete explanations, unlimited quizzes with weak-word review and endless mode, faster illustration unlocks, and an ad-free experience. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel it anytime in Settings > Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://yousaku2222-cmd.github.io/yabai-word/privacy.html
Screenshots
Verdict
The clearest difference is update cadence: Yabai Word at every 2 days against SkillCert's every 4 days. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. SkillCert sells 3 in-app purchases, starting at $2.99 per month and Yabai Word sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
SkillCert ships an update every 4 days, Yabai Word every 2 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | SkillCert | Yabai Word |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | Every 2 days β better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 155 MB | 90 MB |
| Age rating | 12+ | 4+ |
| Developer | Yotaro SATO | YUSAKU MIZOGAMI |
In-app purchases
SkillCert
- SKILL Cert by AI γ©γ€γγγ©γ³$2.991 Month
- SKILL Cert by AI γΉγΏγ³γγΌγγγ©γ³$9.991 Month
- SKILL Cert by AI γγ¬γγ’γ γγ©γ³$29.991 Month
Yabai Word
- Premium Monthly$2.991 Month
- Premium Yearly$19.991 Year
Questions
Is SkillCert free?
Is Yabai Word free?
Do SkillCert or Yabai Word have ads?
Which is updated more often, SkillCert or Yabai Word?
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