スグペラ英単語 vs Rakuo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
スグペラ英単語
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英単語学習、続かなかったことはありませんか? 「覚えたはずなのに忘れる」 「単語帳を開くのが面倒」 「どこまで覚えたかわからない」 スグペラ英単語は、そんな悩みを解決するために作られた、科学的なSRS(間隔反復学習)搭載の英単語4択クイズアプリです。 頻出順に厳選した20,000語以上を、500語ごとのレベル制で無理なく学習。 TOEIC®・英検®・IELTS・TOEFL®などを目指す方にも、 今の実力に合ったレベルからスタートできます。 最大の特長は、忘れかけたタイミングで最適に復習できるSRS機能。 正解した単語は復習間隔が少しずつ伸び、苦手な単語は短い間隔で再登場。 効率よく長期記憶に定着しやすい仕組みです。 さらに、 ・英語 → 日本語 ・日本語 → 英語 の2つの出題形式に対応。 4択クイズだから、スキマ時間でもサクッと学べます。 【主な機能】 ・頻出20,000語以上を収録 ・4択クイズ形式でテンポよく学習 ・SRS(間隔反復)で忘れにくい ・500語ごとのレベルアップ設計 ・英語音声読み上げ対応 ・学習進捗の可視化 ・iPhone / Mac 間でiCloud同期対応 ・無料でも毎日30問しっかり学習可能 「今日は少しだけ」のつもりでも、毎日の積み重ねが確かな語彙力になります。 通勤・通学、休憩時間、寝る前の3分に。 自分のペースで続く英単語学習を、今日から始めましょう。 ※ TOEIC®およびTOEFL®はETSの登録商標です。 ※ 英検®は公益財団法人 日本英語検定協会の登録商標です。 ※ IELTSはBritish Council、IDP IELTS、Cambridge University Press & Assessmentの商標です。 ※ 本アプリはこれらの団体の承認や推奨を受けたものではありません。
Rakuo
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Rakuo helps you learn languages in a natural way through the videos and books you love, combined with smart tools. Core features support cross-language learning across English, Chinese, Korean, and Japanese. Watch the videos you love and analyze their subtitles, with deep insight into how conversations work based on those subtitles. Watch English, Chinese, Korean, and Japanese videos and analyze the deeper conversation patterns within them, along with word definitions and sentence-level grammar parsing. Supports word-by-word and step-by-step analysis in English, Chinese, Korean, and Japanese, plus furigana annotations for Japanese books — so reading is no longer stressful. • Grammar Analysis Tap any sentence to see a clear breakdown of its grammar points, structure, and meaning — every grammar point can be traced back to where it appears. • Reading Mode Import English, Chinese, Korean, and Japanese books and read them with in-depth word definitions and sentence-level grammar parsing. Japanese books come with furigana readings. • AI Learning Assistant Ask questions about English, Chinese, Japanese, and Korean grammar, vocabulary, and usage. Get in-depth grammar explanations. • Vocabulary & Favorites Save the words, grammar points, and sentences you want to remember. Track when you first encountered them. • Multi-language Support The interface supports English, Japanese, Korean, and Simplified Chinese. Premium Membership Subscribe to unlock all premium benefits: 500 AI assistant messages per month 120 minutes of realtime voice conversations per month Unlimited video subtitles and Japanese read-aloud Unlimited favorites and follows Unlimited access to Rakuo Ultra/Pro offline models Free users get full access to all core features with a daily allowance. Subscriptions renew automatically. You can manage or cancel them anytime in your App Store account settings. Terms of Use (EULA): https://rakuo.top/terms Privacy Policy: https://rakuo.top/privacy
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Verdict
The clearest difference is in-app purchases: スグペラ英単語 at none against Rakuo's 4. On price, ads, device support and iOS requirement 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. Rakuo sells 4 in-app purchases, starting at $4.99 per month. スグペラ英単語 asks for nothing beyond the download.
| Parameter | スグペラ英単語 | Rakuo |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 4 MB | 989 MB |
| Age rating | 4+ | 4+ |
| Developer | TETSU HAGIWARA | 颖嬿 邱 |
In-app purchases
スグペラ英単語
No in-app purchases
Rakuo
- Monthly Subscription$4.991 Month
- 3-Month Subscription$12.993 Months
- 6-Month Subscription$24.996 Months
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- Annual Subscription$39.991 Year









