SY0 vs Malmoi
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SY0
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PASS YOUR COMPTIA SECURITY+ EXAM Master cybersecurity fundamentals 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? Security+ professionals earn up to $203K annually (Skillsoft 2024). As the industry's most trusted baseline cybersecurity certification, Security+ validates the core skills needed to launch and advance your career in one of the fastest-growing fields in tech. WHAT YOU'LL MASTER: β’ CIA Triad including confidentiality, integrity, and availability controls β’ Zero Trust Architecture with continuous verification and least privilege enforcement β’ AAA framework covering authentication, authorization, and accounting protocols β’ Identity and Access Management with MFA, SSO, RBAC, and ABAC models β’ Access control lists, permissions, and privilege escalation prevention β’ SIEM platforms with log correlation, alerting, and real-time threat detection β’ SOAR automation for playbook-driven incident response workflows β’ Encryption and cryptography including symmetric, asymmetric, and hashing algorithms β’ Risk management frameworks with quantitative and qualitative assessment methods β’ Governance, compliance, and security policy development fundamentals β’ Threat actor types, attack vectors, and vulnerability mitigation strategies β’ Incident response lifecycle from preparation through lessons learned β’ Cloud and hybrid security including shared responsibility models and CASBs β’ Security architecture design with network segmentation and defense in depth β’ Social engineering, phishing, and malware identification and countermeasures STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into cybersecurity expertise. Download now. Pass your exam. Master security.
Malmoi
Master Korean pronunciation and grammar with this comprehensive learning tool. It focuses on how words are actually spoken, offers conjugation drills, and includes a vast dictionary with multiple language translations. Prepare for exams with reading, listening, writing, and mock test modules.
- Pronunciation trainer with computed rules
- Irregular verb and adjective conjugation drills
- 44,000-word dictionary with multi-language meanings
- 296 grammar patterns with examples
- Reading, listening, and writing practice modules
- TOPIK mock tests and writing scoring
- Offline functionality
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Korean is not read the way it is written. κ°μ΄ is [κ°μ¨], κ΅λ¬Ό is [κΆλ¬Ό], μ’λ€ is [μ‘°ν]. Malmoi is built around that fact. β’ Pronunciation trainer β the standard pronunciation rules, computed. Wrong answers are plausible misreadings of the same word, not other words, so you cannot guess by shape. β’ Conjugation drills β γ , γ·, γ , λ₯΄, γ irregulars sorted automatically, with the full conjugation table for every verb and adjective. β’ 44,000 words with meanings, hanja origins, examples and the standard pronunciation published by the National Institute of Korean Language. Meanings come in English, Korean, Japanese, Chinese and Vietnamese at beginner and intermediate levels. β’ 296 grammar patterns across six levels, each with attachment rules and two examples. β’ Reading β passages, sentence ordering, newspaper headlines, sentence insertion. β’ Listening β dialogues read aloud at study speed and exam speed. β’ Writing β character count, style consistency, spoken-language check, and the official scoring rubric with a model answer. β’ Mock tests for both exam types, with the level a total score would give. Everything runs on your device. No account, no server, and it works with no connection. Levels are an estimate. There is no official published word list, so levels start from the beginner/intermediate/advanced grading of the National Institute of Korean Language and are split further by corpus frequency. Mock scores are an estimate as well β the official conversion table is not published, and writing is self-scored. Not affiliated with or endorsed by NIIED or the TOPIK organisers. Dictionary data from the Korean Basic Dictionary, National Institute of Korean Language (KOGL Type 1). Also Wiktionary (CC BY-SA 4.0) and OpenSubtitles / FrequencyWords (CC BY-SA 4.0). Free: all of Level 1, the first words, grammar, reading and listening of every level, 15 drill questions a day per type, the TOPIK I mock test and writing tasks 51β52. No ads, no account. Malmoi Premium unlocks everything: Monthly (1 month) or Yearly (1 year) auto-renewing subscription, or the Lifetime Pass β a one-time purchase that never renews. Prices are shown in the app in your local currency. Payment is charged to your Apple Account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel in your account settings. Already using Malmoi? If you used it before version 1.0.5, every feature stays free on that device, for good. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://inphilchoi.github.io/malmoi-privacy/
Screenshots
Verdict
The clearest difference is update cadence: Malmoi at every 3 days against SY0's every 3 months. 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. Neither carries in-app purchases, so what you see is what you pay.
SY0 ships an update every 3 months, Malmoi every 3 days. Both last shipped on October 31, 2026.
| Parameter | SY0 | Malmoi |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 0.0% of reviews |
| Update frequency | Every 3 months | Every 3 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 27 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Davy Raitt | INPHIL CHOI |
In-app purchases
SY0
No in-app purchases
Malmoi
No in-app purchases









