WordDex vs 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WordDex
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Learn Japanese, Korean, Chinese, Spanish, French, German & more with fun, game-like lessons — built from the real world around you. WordDex is the language app where anything you see can become your next lesson: scan any word and it turns into a full 12-round interactive lesson with matching, fill-in-the-blank, sentence building, and speaking practice. Other apps hand you their curriculum. WordDex builds one from your life — the menu you couldn't read, the sign on the train, the manga page on your desk. Every lesson trains real skills: vocabulary, grammar, reading, and speaking out loud. Built in Tokyo by a language learner who needed this app to exist. HOW IT WORKS See a word in the wild — on a menu, a sign, a manga page Scan it with your camera WordDex builds a 12-round interactive lesson around it: match, fill in the blank, build the sentence, say it out loud Review with spaced repetition until it sticks — then it joins your Dex WHY WORDDEX? Learning feels like playing. Every word becomes a game — matching, sentence building, timed Match rounds, streaks, and badges. Consistency gets rewarded, not perfection. Your words, not ours. The vocabulary that sticks is the vocabulary you actually meet. WordDex builds lessons from the words your real life serves you, so everything you learn is something you'll see again. Speak, don't just tap. Voice practice is built into every lesson — say the word, build the habit of actually using the language, not just recognizing it. Understand, don't just memorize. Word Scope takes any word deeper — real conversational usage, grammar context, tone and idiom analysis, and what native speakers would say instead. Collect your progress. Every word you catch becomes an entry in your Personal Dex — a growing record of the language you've met in real life. Spaced repetition brings the right words back at the right time. Start free, every day. Scan, learn, and review at no cost. START BEFORE YOU EVEN SCAN Free beginner decks for every language — turn them into full lessons the same way you would a word from the wild. Plus pre-loaded JLPT, TOEIC, and TOPIK decks with curated exam vocabulary. You're never staring at an empty library. 15+ LANGUAGES Japanese, Korean, Chinese, Spanish, French, German, Arabic, Hindi, Italian, Portuguese, Russian, Thai, Vietnamese, Tagalog, and Esperanto. One app for every language you're learning. More to come! BUILT FOR ACCURACY Advanced text recognition delivers reliable translations, natural readings, and context-aware analysis across complex scripts — including Furigana, Pinyin, and Romanization. GO PREMIUM WordDex Premium unlocks unlimited scans and lessons, full Word Scope access, and an ad-free experience. WordDex. See a word. Learn it. Collect it. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
中学数学 中1中2中3の苦手をさかのぼって解き直すドリル
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「どこが分からないのか、分からない」を、そのままにしません。 まちがえたら、そのひとつ手前の項目までさかのぼります。できる所が見つかるまでもどるので、「何も分からない」で止まりません。そこから順にやり直して、最初に解けなかった問題にもどってきます。 ■ 中学数学を330の項目に分けました 小学校の計算から中3の三平方の定理まで、つながりの順に並んでいます。どこから始めても、必要なら前の項目までさかのぼるので、学年をまたいだ取りこぼしも拾えます。 ■ 解説はふたとおり 教科書と同じ書き方の解説と、先生と生徒の会話があります。会話はよくあるつまずきをひとつずつ取り上げるので、解説を読んでも分からなかったときのもう一本になります。 ■ まちがえ方を名指しします 答え合わせのとき、その答えがどの考え方から出たのかを当てて、同じ考え方の会話を開きます。「なぜそう書いてしまったのか」から読み直せます。 ■ 実力テスト 単元をまたいで10問。採点は最後にまとめて出ます。できなかった所からは、そのままさかのぼれます。 ■ 記録 できるようになった項目、正答率、復習の予定が残ります。忘れるころに、一度できた項目をもう一度出します。 ■ 分かりにくかったら教えてください 問題・解説・会話・見直しの下に「ここが分かりにくい」があります。押すだけで運営に届き、解説を書き直す材料になります。 ――― 330項目の解説と、先生と生徒の会話1010本、図、実力テスト、成績は、すべてお使いいただけます。広告は入れていません。問題も解けますが、どの項目もはじめの6問がくり返し出ます。新しい問題が毎回作られるのが、買い切りのPro(¥1,200)です。月額はありません。 記録はこの端末の中だけに残ります。ほかの端末へは移せません。氏名・連絡先・位置情報は集めません。
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Verdict
The clearest difference is in-app purchases: 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル at none against WordDex's 4. 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル also leads on ads (none vs shown). On price, update cadence, 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. WordDex sells 4 in-app purchases, starting at $2.49 per 7 days. 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル asks for nothing beyond the download.
WordDex ships an update weekly, 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル every 5 days. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.
| Parameter | WordDex | 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 257 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Luis Nikolai Ostonal | RAINBOW TREE LLC |
In-app purchases
WordDex
- Premium Weekly7 Days trial$2.497 Days
- Premium Monthly7 Days trial$5.991 Month
- Premium Yearly7 Days trial$37.991 Year
- 30 Credits$0.99
中学数学 中1中2中3の苦手をさかのぼって解き直すドリル
No in-app purchases





