Comparison

EJU One vs Yomi酱

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

Head to head
About

EJU One

Features
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This version introduces our brand-new, independently developed mock exam database, a bookshelf & store system, and more granular question-type analysis. You can engage in targeted practice by subject and question type, or train your pacing using the timed mock exam mode. Every question features option-level explanations and question-type tags, ensuring you don't just memorize the answer but truly understand why each option is correct or incorrect. Key Features: - Proprietary Mock Exam Database: Original practice questions crafted by the EJU One team, designed based on the actual exam format. - Full Subject Coverage: Comprehensive support for Japanese, Mathematics, Liberal Arts, and Science subjects. - Bookshelf & Store: Centrally manage your owned test prep books, and browse or add more question banks. - Targeted Practice: Focus your training on specific question types, knowledge points, or your weakest areas. - Option-Level Analysis: Detailed explanations for every single choice. Copy text to the AI chat with one tap to fully grasp the underlying logic. - Error Workbook: Automatically collects incorrect answers for convenient and repetitive review. - Error Trend Analysis: Track changes in your error rates and see frequently missed question types to clarify your next steps. - Question-Type Distribution: Understand the makeup of each question set to choose practice material that best fits your current stage. - Favorites & Flashcards: Save key questions and vocabulary to study efficiently during your spare time. - Intensive Listening: Built-in training for Japanese Listening and Listening-Reading, featuring question-by-question playback. - Offline Learning: Download question packs and audio files to study anytime without network data. - Cloud Sync: EJU One Pro users can sync learning data seamlessly across multiple devices. EJU One aims to bring clarity to your exam preparation: know exactly what you’ve practiced, where you fell short, and what to reinforce next. ※EJU One is an independent, third-party learning tool and has no affiliation or official connection with the Japan Student Services Organization (JASSO).

About

Yomi酱

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中国語を母語とする日本語学習者のための辞書・復習アプリです。操作画面と語義説明は中国語です。収録済みの単語はオフラインで調べられ、未収録の単語はネットワーク経由で検索できます。 主な機能 ・日本語、かな、ローマ字、中国語、英語で検索 ・読み方、語義、例文、会話例を確認し、単語や例文の音声を再生 ・検索履歴と学習進捗を保存し、記憶段階に合わせて復習 ・自分の単語帳を最大10冊作成し、長文・カード・目次モードで読む ・公開単語帳や、JLPT・テーマ別の内蔵語彙を使って学習 ・音声入力に対応 基本の辞書検索と学習は、通常のアカウント登録なしで始められます。画面のスクリーンショットは実際の中国語UIです。 YomiChan Plus(有料の月額自動更新サブスクリプション)では、単語帳の公開・購読、iCloud同期、コメントの投稿・表示切替、収録済み単語のクラウド更新確認を利用できます。日本での価格は月額100円です。購入前にApp Storeに表示される価格と条件をご確認ください。第三者広告や他社アプリをまたぐトラッキングはありません。 未収録語の検索、公開単語帳、iCloud同期などのオンライン機能にはネットワーク接続が必要です。 プライバシーポリシー:https://myerwang.github.io/apps/yomichan/privacy/ 利用規約(Apple標準EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

EJU One4 screens
Yomi酱4 screens

Verdict

The call

EJU One and Yomi酱 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. EJU One sells 1 one-off in-app purchase and Yomi酱 sells 1 in-app purchase, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

EJU One ships an update weekly, Yomi酱 every 6 days. The most recent releases landed on October 28, 2026 and October 14, 2026 respectively.

ScorecardNo meaningful differences
EJU One versus Yomi酱: the parameters behind the verdict, then further details
ParameterEJU OneYomi酱
PriceFreeFree
Update frequencyWeeklyEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size242 MB112 MB
Age rating4+4+
DeveloperYICHENG WANGMengyu Wang

In-app purchases

1 purchases

EJU One

One-time1
  • EJUOne Pro$7.99
1 purchases

Yomi酱

Subscriptions1
  • YomiChan Plus$0.491 Month

Questions

Is EJU One free?
EJU One is free to download, with in-app purchases available.
Is Yomi酱 free?
Yomi酱 is free to download, with in-app purchases available.
Do EJU One or Yomi酱 have ads?
Neither EJU One nor Yomi酱 shows ads.
Which is updated more often, EJU One or Yomi酱?
EJU One ships an update weekly, and Yomi酱 every 6 days. Most recently, EJU One was updated on October 28, 2026 and Yomi酱 on October 14, 2026.

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