Comparison

Spider's Thread vs Learn Korean

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Spider's Thread

Features
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Improve your Japanese reading skills with Ryลซnosuke Akutagawa's masterpiece, 'The Spider's Thread' (Kumo no Ito). This app offers a side-by-side bilingual reading experience in Japanese and English, designed to help you acquire advanced vocabulary and understand authentic literary grammar in context. Follow the gripping tale of Kandata, a wicked sinner suffering in Hell, who is offered a single chance at salvation when the Buddha lowers a fragile spider's thread from Paradise. Ideal for intermediate to advanced learners (JLPT N3-N2), this app bridges the gap between textbooks and native literature with built-in furigana, romaji, and interactive reading aids.

About

Learn Korean

Features
Read full description

Learn Korean vocabulary the smart way. This app uses FSRS-5, the most advanced spaced repetition algorithm available, to schedule your flashcard reviews at the perfect moment. You learn faster, remember longer, and never waste time on words you already know. WHY LEARNERS CHOOSE THIS APP - FSRS-5 Spaced Repetition โ€” The latest-generation algorithm predicts exactly when you'll forget a word and schedules your review right before that happens. Learn 2-3x faster than traditional flashcards. - TOPIK-Aligned Decks โ€” Vocabulary organized by CEFR level (A1 through C2), compatible with TOPIK exam prep. - Hangul & Pronunciation โ€” Every card includes Hangul, romanization, and native speaker audio. Train your reading and listening together. - 18+ Translation Languages โ€” Study with translations in English, Japanese, Chinese, Spanish, French, German, and many more. - Streaks & Achievements โ€” Stay motivated with daily streaks and milestones that reward your consistency. - Works Offline โ€” Review your flashcards anywhere, no internet required. HOW IT WORKS 1. Pick your level โ€” beginner, intermediate, or advanced vocabulary. 2. Study flashcards โ€” see a Korean word, recall the meaning, flip to check. 3. Rate your memory โ€” the FSRS-5 algorithm handles the rest. 4. Review daily โ€” just 5-15 minutes a day is all you need. THOUSANDS OF CURATED WORDS Covering greetings, food, travel, numbers, family, weather, business, emotions, and more. Every word includes real-world context so you learn how it's actually used. BUILT FOR EXAM SUCCESS Preparing for the TOPIK? The decks align with official exam vocabulary. Study the words that actually appear on the test, organized by level so you can target your weak spots. WHO THIS APP IS FOR - Beginners learning their first Korean words and Hangul - Intermediate learners expanding to TOPIK 3-4 fluency - Students preparing for TOPIK I or TOPIK II - K-drama and K-pop fans who want to understand without subtitles - Anyone who tried other apps but kept forgetting what they learned Stop forgetting Korean words. Start remembering them. Build vocabulary that sticks.

Screenshots

Spider's Thread4 screens
Learn Korean4 screens

Verdict

The call

The clearest difference is price: Learn Korean at Free against Spider's Thread's $0.99. Spider's Thread's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Learn Korean is free to download; Spider's Thread costs $0.99 up front. Learn Korean sells 1 one-off in-app purchase. Spider's Thread asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

Scorecard3 real differences ยท 3 level
Spider's Thread versus Learn Korean: the parameters behind the verdict, then further details
ParameterSpider's ThreadLearn Korean
Price$0.99Free โ€” better
Update frequencyEvery 2 monthsEvery 2 months
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS18.217.6 โ€” better
Further details โ€” not scored
Size214 MB11 MB
Age rating4+4+
DeveloperJeffrey DickYingwen Wang

In-app purchases

None

Spider's Thread

No in-app purchases

1 purchases

Learn Korean

One-time1
  • Remove Ads$3.99

Questions

Is Spider's Thread free?
Spider's Thread costs $0.99, with no in-app purchases.
Is Learn Korean free?
Learn Korean is free to download, with in-app purchases available.
Do Spider's Thread or Learn Korean have ads?
Learn Korean shows ads; Spider's Thread does not.
Which is updated more often, Spider's Thread or Learn Korean?
Spider's Thread ships an update every 2 months, and Learn Korean every 2 months. Most recently, Spider's Thread was updated on October 9, 2026 and Learn Korean on October 8, 2026.

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