mugenStudyToeic vs Korean & TOPIK丨Hanglass
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
mugenStudyToeic
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TOEIC 対策向けの語彙学習アプリ「MUGEN STUDY」。NGSL（TOEIC語彙の約92%をカバー）をベースに、AI生成の短い例文とともに四択クイズで学習します。
Korean & TOPIK丨Hanglass
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Hanglass is a Korean vocabulary app designed specifically for TOPIK (Test of Proficiency in Korean) preparation. A common pitfall in vocabulary learning is thinking you've memorized a word — only to forget it later. Hanglass solves this by applying the forgetting curve: the app automatically brings back words right when you're about to forget them, based on your personal learning progress. Each word is rated as "Known," "Unsure," or "Unknown," and review timing is optimized according to your learning history — helping vocabulary stick in long-term memory, efficiently. ・Focused on high-frequency TOPIK vocabulary ・Smart review system tailored to your recall level ・A sustainable learning cycle you can stick with Perfect for learners preparing for TOPIK, or anyone who struggles to make Korean vocabulary stick. termsOfService: https://organic-cup-0cc.notion.site/Hanglass-TermsOfService-39a15a802668804d929ccb690ca88f01?source=copy_link
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Verdict
The clearest difference is in-app purchases: mugenStudyToeic at none against Korean & TOPIK丨Hanglass's 5. mugenStudyToeic also leads on ads (none vs shown). Korean & TOPIK丨Hanglass's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence 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. Korean & TOPIK丨Hanglass sells 5 in-app purchases, starting at $3.99 per month. mugenStudyToeic asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. Both last shipped on October 28, 2026.
| Parameter | mugenStudyToeic | Korean & TOPIK丨Hanglass |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 140 MB |
| Age rating | 17+ | 4+ |
| Developer | RYOTA SAITO | DrawCode. |
In-app purchases
mugenStudyToeic
No in-app purchases
Korean & TOPIK丨Hanglass
- Hanglass Plus (1ヶ月)7 Days trial$3.991 Month
- Plus(1ヶ月)$3.991 Month
- Hanglass Plus (1年)7 Days trial$34.991 Year
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- Plus(1年)+1週間無料7 Days trial$34.991 Year
- Hanglass Plus (買い切り)$59.99
Questions
Is mugenStudyToeic free?
Is Korean & TOPIK丨Hanglass free?
Do mugenStudyToeic or Korean & TOPIK丨Hanglass have ads?
Which is updated more often, mugenStudyToeic or Korean & TOPIK丨Hanglass?
Other comparisons
