Comparison

ウィズダム英和・和英辞典 2 vs Kotoba

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

Head to head
About

ウィズダム英和・和英辞典 2

This comprehensive dictionary app combines English-Japanese and Japanese-English dictionaries with extensive example sentences and audio pronunciations. It offers powerful search capabilities, offline access, and a user-friendly interface designed for efficient language learning and reference.

Highlights
  • English-Japanese and Japanese-English dictionaries
  • Extensive example sentence search
  • Offline access to all content
  • Audio pronunciation for ~40,000 entries
  • Fast display with custom layout engine
  • Multiple search types (exact, pattern, phrase)
  • Bookmark and history synchronization via iCloud
Read full description

「ウィズダム英和・和英辞典 2」は、三省堂「ウィズダム英和辞典 第3版」と「ウィズダム和英辞典 第2版」をセットにした電子辞典です。前作の「ウィズダム英和・和英辞典」と合わせて累計30万本以上販売されている App Store のベストセラー英和・和英辞典アプリです。 強力な用例検索機能によって、豊富な用例から的確な英語表現を見つけることができます。重要語だけでなく、英語表現、英文法、文型など、単語ごとに分散して記述されているコラム解説が、それぞれ付録一覧にまとめられているため、的を絞って学習することもできます。 およそ15万の用例や約4万項目の音声データを含んでいるにも関わらず、インストール容量が約260MBと非常にコンパクトなのも特徴です。もちろんすべてのコンテンツがインストールされるため、使用時にネットワークに接続する必要はなく、オフラインで安心してお使いいただけます。 主な機能は以下の通りです。 - 物書堂独自のレイアウトエンジンによる高速表示 - 前方/後方/完全一致検索 - パターン検索 - 成句・複合語検索 - 日本語にも対応した用例検索 - 複数項目による成句・用例のアンド検索 - 和英・英和をまたいだ“なぞってジャンプ®” - 見出語の音声再生(英和辞典:約4万項目) - スペルミスの自動補正 - コピー&ペースト(長押しでコピーすることができます) - 項目内検索 - 項目内の重要語義や品詞や成句へのポップアップメニューによる簡易アクセス - スワイプによる前後の項目の表示 - ブックマーク(日付や見出しでのソート、自由な並べ替え) - iCloudを使ったブックマークの同期 - ブックマークのテキスト書き出し - 表示履歴および検索履歴 - 3D Touchでクイックアクション - 3D TouchでPeekとPop - iPadにも対応したユニバーサルアプリ - iPadのドラッグ&ドロップに対応(別アプリから単語をドロップすると検索されます) - iPadのSlide OverとSplit Viewに対応 - Retinaディスプレイに対応 - インターフェースのカラー変更 - 背景色の変更(白/黒/セピア) - 文字のコントラストの変更 - 本文と一覧の文字サイズの変更、音量調整、検索文字消去 - 検索画面を引っぱって消去 - クリップボード検索 - 他のアプリからの検索 - カスタムアクション(他のアプリ上での検索) - 物書堂の他のアプリ(コウビルド英英、大辞林等)の呼び出し - ウィズダム英和・和英辞典からのブックマークの移行(v3.6以降のウィズダム英和・和英辞典のブックマーク画面からウィズダム2を選択してください) - ウィズダム英和・和英辞典からの履歴の移行 - VoiceOverによる解説文の読み上げ コンテンツについて ◎ ウィズダム英和辞典 第3版 コーパス(大規模英語データベース)を全面活用した、現代英語と語法に強い上級英和辞典、待望の改訂第3版。類義語解説・重要コロケーションなどを大幅増補し、項目数は類書中最大級の約10万2千項目。各種のコラムにより、日常学習・受験対策をあらゆる角度からサポート。重要な単語やイディオムについて約4万項目の音声を収録。 - 項目数:約10万2千項目 - 音声データ:約4万項目 ◎ ウィズダム和英辞典 第2版 自然な英文を書き、英語による総合的な発信をサポートするための上級和英辞典、待望の改訂第2版。語の選択、文章の組み立て、模範例の提示という3つの面から、実際の英文作成を支援。項目数約9万、用例数約8万4千と増補。詳細な語法・類語解説のほか、まとまった文章を書くときに役立つ情報を満載。 - 項目数:約9万項目 用例数:約8万4千項目

About

Kotoba

This app offers real-time voice translation with ultra-low latency, predicting translations before you finish speaking. It aims to eliminate language barriers for seamless communication in meetings, travel, and international interactions.

Highlights
  • Ultra-low-latency speech-to-text and speech-to-speech translation
  • Predictive AI translation before speaking
  • Real-time live subtitles
  • Share and save translation results as text
  • Multilingual support
Features
Read full description

"Kotoba" is a real-time voice simultaneous translation app developed by Kotoba Technologies, aiming to deliver the "world's best simultaneous translation experience." The app is built around Kotoba’s proprietary speech AI model, “Koto,” which supports our core translation languages, combined with external AI translation models for some other language pairs. ■ Privacy & AI Notice ・Kotoba records voice you choose to submit and generates transcripts/translations to provide real-time translation. ・We collect audio, transcripts/translations, and related account, device, and usage data. ・For individual users, unless you opt out, audio and transcripts may also be used to improve, evaluate, or train Kotoba's AI systems. ・Enterprise customer data is used only to provide the service and is not used for model training. ・Privacy Policy: https://dashboard.kotobatech.ai/privacy_en.html ■ Features ・Predictive AI simultaneous translation — translations can appear before you finish speaking ・Dialogue mode: connect by QR code and talk both ways in real time ・Supports a wide range of language pairs, centered around Japanese, English, Chinese, Korean, and Spanish, with 21 input languages and 13 output languages in total. ・Real-time translation from the moment you speak (live subtitles) ・All you need is your smartphone—no need to hire expensive human interpreters or carry bulky dedicated translation devices ・Translation results can be shared and saved as text instantly ■ How to Use 1) Open the app 2) Press the microphone button and speak 3) Translations appear on screen in real time ■ Perfect for These Scenarios ・Don't want to miss what others say in online or in-person meetings ・Frustrated with the wait times and usability of conventional translation apps ・Want to have richer conversations with locals while traveling or on business trips abroad ・Want smoother customer service and reception for international visitors ■ Media & Events Featured on NHK, TV Tokyo, Forbes Japan, Abema TV News, and more. ■ Supported Languages Supports a wide range of language pairs, centered around Japanese, English, Chinese, Korean, and Spanish, with 21 input languages and 13 output languages in total. The app is built around Kotoba’s proprietary speech AI model, “Koto,” which supports our core translation languages, combined with external AI translation models for some other language pairs. ■ Plans The Unlimited Plan (monthly/yearly) removes the 5-hour monthly usage limit. *Latency, accuracy, and predictive display may vary depending on network conditions, device performance, and ambient noise. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Experience the moment when language barriers disappear—download now. © 2026 Kotoba Technologies Inc.

Screenshots

ウィズダム英和・和英辞典 24 screens
Kotoba4 screens

Verdict

The call

The clearest difference is price: Kotoba at Free against ウィズダム英和・和英辞典 2's $19.99. Kotoba also leads on update cadence (every 8 days vs every 3 months). ウィズダム英和・和英辞典 2's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On rating, review sentiment, ratings volume and ads 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

CostPrice · In-app purchases · Ads · Monetization

Kotoba is free to download; ウィズダム英和・和英辞典 2 costs $19.99 up front. Kotoba sells 3 in-app purchases, starting at $99.99 per month. ウィズダム英和・和英辞典 2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for ウィズダム英和・和英辞典 2 against 4.5 for Kotoba. Both are backed by a comparable volume of ratings — 7 and 19 respectively. Written reviews are what separate them: 58% of ウィズダム英和・和英辞典 2's written reviews are positive against 56% of Kotoba's.

UpkeepUpdate frequency

ウィズダム英和・和英辞典 2 ships an update every 3 months, Kotoba every 8 days. Both last shipped on September 21, 2026.

Scorecard6 real differences · 4 level
ウィズダム英和・和英辞典 2 versus Kotoba: the parameters behind the verdict, then further details
Parameterウィズダム英和・和英辞典 2Kotoba
Price$19.99Free — better
Rating4.6 (7 ratings) — better4.5 (19 ratings)
Positive reviews57.6% of reviews — better56.1% of reviews
Number of ratings719 — better
Update frequencyEvery 3 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size268 MB54 MB
Age rating4+4+
Developer物書堂(株)Kotoba Technologies Japan

Customer experience

ウィズダム英和・和英辞典 2

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews66 reviews
Positive57.6%
Neutral10.6%
Negative31.8%

Kotoba

All ratings19 ratings
Positive78.9%
Neutral15.8%
Negative5.3%
Written reviews57 reviews
Positive56.1%
Neutral8.8%
Negative35.1%

In-app purchases

None

ウィズダム英和・和英辞典 2

No in-app purchases

3 purchases

Kotoba

Subscriptions2
  • Unlimited Monthly3 Days trial$99.991 Month
  • Unlimited Plan$999.991 Year
One-time1
  • Day pass$9.99

Questions

Is ウィズダム英和・和英辞典 2 free?
ウィズダム英和・和英辞典 2 costs $19.99, with no in-app purchases.
Is Kotoba free?
Kotoba is free to download, with in-app purchases available.
Which has better reviews, ウィズダム英和・和英辞典 2 or Kotoba?
ウィズダム英和・和英辞典 2 is rated higher. ウィズダム英和・和英辞典 2 averages 4.6 out of 5 from 7 ratings, while Kotoba averages 4.5 from 19 ratings.
Do ウィズダム英和・和英辞典 2 or Kotoba have ads?
Neither ウィズダム英和・和英辞典 2 nor Kotoba shows ads.
Which is updated more often, ウィズダム英和・和英辞典 2 or Kotoba?
ウィズダム英和・和英辞典 2 ships an update every 3 months, and Kotoba every 8 days. Most recently, ウィズダム英和・和英辞典 2 was updated on September 21, 2026 and Kotoba on September 21, 2026.

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