UBL vs K
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UBL
Read full descriptionHide full description
Ubiquitous Based Learning Management System App for students. One place to access: - Enrolled Class - Courses and Chapters - Interactive Contents - Assignments - Quiz - Exam - Forum - Survey - Learning Prediction - Course Evaluation
K
Learn and practice Korean vocabulary through engaging quizzes. Track your learning progress and advance your language skills with this educational tool. Designed for all levels of Korean learners.
- Korean vocabulary quizzes
- Progress tracking
- Skill leveling
- Practice Korean words
- Educational tool
Read full descriptionHide full description
Master Korean vocabulary with fun quizzes! K-Word Master helps you learn and practice Korean words, track your progress, and level up your language skills.
Screenshots
Verdict
The clearest difference is ads: UBL at none against K's shown. UBL also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
UBL ships an update weekly, K every 8 days. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.
| Parameter | UBL | K |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Weekly — better | Every 8 days |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 153 MB | 36 MB |
| Age rating | 17+ | 4+ |
| Developer | NSdevil | Hyungpil Kim |
In-app purchases
UBL
No in-app purchases
K
No in-app purchases









