Saerok vs KyouStudy
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Saerok
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โ Your home screen is the study desk Saerok lets you solve questions right on your home screen widget. Tap a choice on the widget and it's graded on the spot, then moves to the next one. No waiting for the moment you finally open the app. โ Every JLPT level, N5โN1 ยท 4,000+ questions โ kanji reading, orthography, contextual vocabulary, paraphrase, usage, grammar ยท 2,400 core words ยท Built to mirror the real exam's section makeup (no orthography on N1, word formation on N2, etc.) ยท Every question verified by native Japanese speakers โ Study that fits you ยท Mix and draw only the question sets you choose ยท Review notes โ retry only what you got wrong; correct answers drop out automatically ยท Accuracy analysis by question type to find your weak spots ยท Daily streaks and goals to keep the habit going โ An easy start ยท No sign-up โ start right away with free questions ยท Buy only the question types you want โ own just what you need, forever ยท Saerok Plus subscription unlocks everything Your study history stays on your device โ no personal data is sent to the developer's servers. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://haeh.kr/saerok/privacy
KyouStudy
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Learn as much as you want, at your own pace. KyouStudy helps you build language skills for exam preparation and everyday learning. Whether you are preparing for JLPT, HSK, or TOPIK, or exploring a new language, start at a level that suits you and move from words to sentences, practice, and review. FREE LEARNING, WITHOUT DAILY LIMITS Study from beginning to end without daily study caps or restrictions on the scope of available learning content. Core learning stays free, whether or not you choose Premium. DISCOVER WORDS THROUGH CARDS Explore vocabulary, characters, expressions, and sentences organized by exam and level. Learn meanings, examples, and pronunciation together, then mark what you already know and what you want to study further. SEE IT. HEAR IT. REMEMBER IT. Listen to word and sentence pronunciation with AI-powered audio. Every example sentence comes with an image to help you connect its meaning with a scene and make it easier to recall. CHOOSE HOW YOU PRACTICE Use quizzes for instant feedback after each question, or test mode to receive your score after completing all questions. โข Multiple choice: connect characters, readings, and meanings. โข Listening: hear a word or sentence and choose the answer. โข Matching: draw connections between expressions and meanings. โข Sentence ordering and gap filling: practice context and sentence structure. โข Typed answers: recall words and expressions without answer choices. TURN MISTAKES INTO PROGRESS Revisit questions in your mistake notebook and save useful items to favorites. Unlock collections as you learn and use study statistics to see your progress. MAKE IT YOUR OWN WITH PREMIUM Optional paid Premium benefits include ad removal, additional themes, detailed information about related words, and support for continued development. Your daily study amount and the scope of available learning content remain unrestricted without Premium. LANGUAGES AND CONNECTION The interface is available in English, Korean, Japanese, Simplified Chinese, and Traditional Chinese. An internet connection through Wi-Fi or mobile data is required for a smooth learning experience. MORE TO LEARN OVER TIME The exam lineup includes JLPT, TOEIC, TOEFL, IELTS, HSK, TOCFL, and TOPIK, with some courses planned for future updates. TOEIC, TOEFL, and IELTS are planned additions. Check the app for currently available courses. Built and cared for by an independent developer, KyouStudy grows with your feedback. Start with one word and keep learning at your own pace. KyouStudy is an independent learning tool and is not affiliated with or endorsed by the organizations that administer these exams. Exam names and trademarks belong to their respective owners. Support: https://www.kyoustudy.com/contact/ Privacy Policy: https://www.kyoustudy.com/privacy-policy/ Terms of Use: https://www.kyoustudy.com/terms-of-use/ Apple Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Saerok at none against KyouStudy's shown. On price, in-app purchases, 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
Both are free to download. Saerok sells 10 in-app purchases, starting at $1.99 per month and KyouStudy sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Saerok | KyouStudy |
|---|---|---|
| Price | Free | Free |
| Update frequency | โ | Every 6 days |
| Ads | No โ better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 17.0 | 17.0 |
| Further details โ not scored | ||
| Size | 35 MB | 187 MB |
| Age rating | 4+ | 4+ |
| Developer | SUNGYUN NAM | HungBok |
In-app purchases
Saerok
- Saerok Plus Monthly$1.991 Month
- JLPT N2 Sentence Assembly$0.49
- JLPT N2 Word Formation$0.49
- JLPT N2 Orthography$0.49
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- JLPT N1 Sentence Assembly$0.49
- JLPT N1 Usage$0.99
- JLPT N2 Contextual Vocabulary$0.99
- JLPT N1 Contextual Vocabulary$0.99
- JLPT N1 Paraphrases$0.99
- JLPT N1 Grammar$1.99
KyouStudy
- KyouStudy Premium$3.991 Month
- KyouStudy Premium (Annual)$39.991 Year
- KyouStudy Premium (Lifetime)$99.99









