손안의 세종학당 vs Bubblegum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
손안의 세종학당
Master Korean with this official learning app. It offers a full curriculum from beginner to advanced levels, AI-powered speaking assessment, handwriting recognition for writing practice, and personalized study features. Learn anytime, anywhere with offline access.
- Full Korean curriculum
- AI speaking assessment
- Handwriting recognition
- Personalized study sets
- Offline study mode
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Mobile – The Official King Sejong Institute Learning App Master Korean with the official all-in-one app from King Sejong Institute. Whether you're just starting or aiming to improve your skills, this app has everything you need. ▶ Full Korean Curriculum Access the official learning content of the King Sejong Institute — for free. From Hangul to advanced grammar, study at your own pace with a structured learning path. ▶ Improve Speaking & Writing Use AI-powered tools to assess your Korean speaking skills Practice writing with handwriting recognition technology Perfect for learners looking to build practical communication skills. ▶ Personalized Study Features Collect words, grammar points, and exercises you've studied. Build your own review sets and focus on what matters to you. ▶ Study Offline Once you download the content, you can continue studying without an internet connection — perfect for learning anytime, anywhere. Download SSejong Korean – The Official King Sejong Institute Learning App Master Korean with the official all-in-one app from King Sejong Institute. Whether you're just starting or aiming to improve your skills, this app has everything you need. ▶ Full Korean Curriculum Access the official learning content of the King Sejong Institute — for free. From Hangul to advanced grammar, study at your own pace with a structured learning path. ▶ Improve Speaking & Writing Use AI-powered tools to assess your Korean speaking skills Practice writing with handwriting recognition technology Perfect for learners looking to build practical communication skills. ▶ Personalized Study Features Collect words, grammar points, and exercises you've studied. Build your own review sets and focus on what matters to you. ▶ Study Offline Once you download the content, you can continue studying without an internet connection — perfect for learning anytime, anywhere. Download Mobile KSI and start your Korean language journey with the official app used worldwide.
Bubblegum
This app uses AI to create personalized Korean reading materials with inline translations and audio. It features an AI tutor for explanations and practice, and a unique review system that resurfaces saved vocabulary within new content. Track your progress with encouraging statistics.
- AI-generated personalized reading content
- Inline translations and grammar explanations
- Synchronized audio narration
- AI Korean tutor chatbot
- Regenerative vocabulary review
- Progress tracking and statistics
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Bubblegum makes learning languages feel clear and personal. Read lessons about what you love, tap any word for help without losing your place, hear natural audio, and see your saved words again right when you need them. Built by language learners for learners. Why learners choose Bubblegum: • Personal lessons: pick from thousands of ideas or write your own, and Poppy, your AI tutor, writes a reading at your level with natural audio in seconds. • Help on tap: see word meanings, grammar notes, and cultural context right inside the text. • Listen as you read: natural narration highlights each line in sync to train your ear. • Ask Poppy anything: get deeper explanations, extra practice, or answers about the language you are learning. • Keep words fresh: Regenerative Review™ brings the words you save back inside future lessons, so you never grind through endless flashcards. • Real momentum: friendly stats celebrate your study time and recent wins. No streaks, no guilt. Every language is taught in its own right: • English (American, British, Australian), Spanish (Spain, Latin America, Río de la Plata), French (France, Canada), and Portuguese (Brazil, Portugal). • Korean, with a course that teaches you to read Hangul. • Japanese, with hiragana, katakana, and kanji courses, plus furigana whenever you want it. • Chinese in Simplified or Traditional characters with Pinyin, and Cantonese with Jyutping and its six tones. • Vietnamese (Northern, Central, Southern) and Arabic (Modern Standard, Egyptian, Moroccan), in the variety you choose. • Indonesian, Malay, Filipino (Tagalog), Cebuano, and Thai, for warm everyday conversations. • Russian and Ukrainian, each with a course that teaches you to read Cyrillic. • German, Italian, Swedish, Danish, Norwegian, Dutch, Finnish, Bulgarian, and Macedonian, with grammar explained inside real sentences. • Turkish and Azerbaijani, with vowel harmony and word endings explained as you read. • Polish, Czech, Slovak, Slovenian, Hungarian, Croatian, Romanian, Albanian, Serbian, Belarusian, Lithuanian, Latvian, and Estonian, with endings explained where you meet them. • Welsh, Irish, Galician, Basque, Catalan, Swahili, Haitian Creole, Nigerian Pidgin, Javanese, Icelandic, Luxembourgish, Afrikaans, Uzbek, and Twi, each with natural audio and its own culture. • Toki Pona, a tiny language made for fun and simple ideas. Bubblegum stays proudly learner-first, learner-funded, and ad-free. Need a hand? Email support@bubblegum.la.
Screenshots
Verdict
The clearest difference is rating: Bubblegum at 4.9 against 손안의 세종학당's 3.9. Bubblegum also leads on update cadence (daily vs every 2 weeks) and review sentiment (79% vs 51%). 손안의 세종학당's advantage is in-app purchases (none vs 10) and iOS requirement (13.0 vs 16.0). 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. Bubblegum sells 10 in-app purchases, starting at $5.99 per 7 days. 손안의 세종학당 asks for nothing beyond the download.
Bubblegum holds the better App Store score, 4.9 against 3.9. That said, the two scores are not equally well evidenced: Bubblegum has 167 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 51% of 손안의 세종학당's written reviews are positive against 79% of Bubblegum's.
손안의 세종학당 ships an update every 2 weeks, Bubblegum daily. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.
| Parameter | 손안의 세종학당 | Bubblegum |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (12 ratings) | 4.9 (167 ratings) — better |
| Positive reviews | 51.2% of reviews | 78.9% of reviews — better |
| Number of ratings | 12 | 167 — better |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 95 MB | 183 MB |
| Age rating | 4+ | 12+ |
| Developer | Copyright 2017 King Sejong Institude Foundation All right reserved | Bubblegum Languages |
Customer experience
손안의 세종학당
Bubblegum
In-app purchases
손안의 세종학당
No in-app purchases
Bubblegum
- Bubblegum Pro Weekly Subscription7 Days trial$5.997 Days
- Bubblegum Pro Monthly Subscription7 Days trial$13.991 Month
- Bubblegum Plus Monthly Subscription$14.991 Month
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- Bubblegum Pro Monthly Subscription$17.991 Month
- Bubblegum Pro Annual Subscription3 Days trial$69.991 Year
- Bubblegum Pro Annual Subscription7 Days trial$69.991 Year
- Bubblegum Pro Annual Subscription$79.991 Year
- Bubblegum Pro Annual Subscription1 Year trial$99.991 Year
- Bubblegum Pro 6-Month Subscription7 Days trial$119.996 Months
- Founding Member$899.99









