Comparison

英熟語センター750 vs 化学の王様

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

Head to head
About

英熟語センター750

This app helps high school students master essential English idioms for university entrance exams. It focuses on 750 frequently appearing idioms, ordered by frequency, with features for focused learning and audio review.

Highlights
  • 750 essential idioms
  • Ordered by exam frequency
  • Focused learning on unknown idioms
  • Audio learning for pronunciation and review
  • Progress tracking
Features
Read full description

センター試験(および私大や国公立二次試験)に出る英熟語を完璧に覚えるための、東進生専用英熟語アプリです。東進の現役合格メソッドにもとづいて厳選された、高校生(大学受験生)がまずはじめに絶対に覚えておきたい必修英熟語。それがこの750語です。 【注意】このアプリは東進生専用です。STAGE 01・02は「体験受講」としてどなたでも学習可能ですが、STAGE 03〜15は東進生(同名の高速基礎マスター講座を正規受講している生徒)としてのID・PWが認証されなければ学習できませんので、恐れ入りますが、あらかじめご了承ください。 ◆◆◆このアプリの特長◆◆◆ ■1 徹底的に厳選された750語! 過去28年分のセンター試験を徹底分析し、英熟語の出題回数を実際にコンピューターとプロの目で数えて頻出度を算出。大学受験生にとって本当に必要な英熟語と訳語だけが厳選収録されています。 ■2 大学入試に「出る順」で収録! 頻度順に英熟語を配列しているので、センター試験によく出る英熟語から順に覚えられます。なお、センター頻出の英熟語は、国立大の二次試験や私立大入試、英検やTOEICテストでも頻出します。センター試験対策に、その上の難関大合格のために、さらには社会で実際に英語を使うために、まずはこの750の熟語を最速でマスターしましょう。 ■3 厳選された英熟語を「完全」に覚えられる! このアプリは「厳選された英熟語を完璧にすべて覚える」ことを目標に作られているという点で、ほかの英熟語アプリとは一線を画す以下のような特長があります。 ◎スモールステップ・パーフェクトマスター! ◎自分の今の英熟語力が一目でわかる! ◎「覚えていない熟語」だけを集中攻略できる! ◎音声学習で音読・復習・定着!

About

化学の王様

This app offers a fun, quiz-like approach to learning high school chemistry. It features over 3000 questions in various formats and is designed to help users memorize key concepts for exams. Users can progress through stages and earn rewards while studying.

Highlights
  • Over 3000 chemistry questions
  • Quiz-like learning format
  • Short play sessions
  • Exam preparation content
  • Game-like progression
  • Gift rewards for quests
Features
Read full description

Welcome to King of Chemistry! King of Chemistry is a part of our “King” education series that focuses on quick learning in a fun quiz-like manner! Are you interested in learning chemistry? With this application, you can study chemistry in a fun and quiz-like manner! Even if you don't like this subject, this application may change your perception! This application is also useful for regular exams and college entrance exams since it adheres to high school studying guidelines. ◉ Overview ・Over 3000 chemistry-related questions in a 1 question to 1 answer format or multiple-choice format. ・Each play session is short, so you can study even if you only have a small amount of time! ・Comprehensive content that is useful for preparing for both high school and university exams. ・You can enjoy the application in a game-like manner by clearing questions and stages.   ◉ Features ・Efficiently memorize important points in chemistry for important exams! ・Since it is in an easy Q/A format, you can study easily without using a book! ・If you want to get high scores, just repeat and memorize the answers! ・As you solve more problems, you will be able see how your exams may operate and function! ・Gift rewards are available if you clear our quest mode! ◉ Subscription ・¥ 360 / month, ¥ 1,800 / 6 months, ¥ 2,900 / year ・If you choose to purchase our “SPECIAL TRAINING PLAN", payment will be charged from your iTunes account. ・In addition, your account will be charged for renewal within 24-hours prior to the end of the current period. ・Auto-renewal may be turned off at anytime by going to your settings in the iTunes Store after purchase. ・Subscription price starts at ¥240 JPY/month. ・Prices are in JAPANESE yen, which may vary in countries other than JAPAN and are subject to change without notice. ・No cancellation of the current subscription is allowed during the active subscription period. ・You may use this application for free even if you do not purchase a plan. ◉ Others ・Terms of Service: https://sites.google.com/view/hanauta/tou ・Privacy Policy: https://sites.google.com/view/hanauta/policy ・Apple Terms of Service (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

英熟語センター7501 screens
化学の王様4 screens

Verdict

The call

The clearest difference is in-app purchases: 英熟語センター750 at none against 化学の王様's 3. 英熟語センター750 also leads on ads (none vs shown) and iOS requirement (7.0 vs 15.0). 化学の王様's advantage is update cadence (every 3 weeks vs every 7 months). On price, review sentiment and device support 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

Both are free to download. 化学の王様 sells 3 in-app purchases, starting at $3.49 per month. 英熟語センター750 asks for nothing beyond the download.

UpkeepUpdate frequency

英熟語センター750 ships an update every 7 months, 化学の王様 every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
英熟語センター750 versus 化学の王様: the parameters behind the verdict, then further details
Parameter英熟語センター750化学の王様
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews35.0% of reviews42.0% of reviews — better
Number of ratings—3 — better
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS7.0 — better15.0
Further details — not scored
Size104 MB139 MB
Age rating4+4+
Developer株式会社ナガセHANAUTA INC.

Customer experience

英熟語センター750

Written reviews20 reviews
Positive35.0%
Neutral20.0%
Negative45.0%

化学の王様

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews50 reviews
Positive42.0%
Neutral12.0%
Negative46.0%

In-app purchases

None

英熟語センター750

No in-app purchases

3 purchases

化学の王様

Subscriptions3
  • 合格プラン$3.491 Month
  • 合格プラン3 Days trial$17.496 Months
  • 合格プラン3 Days trial$27.991 Year

Questions

Is 英熟語センター750 free?
英熟語センター750 is free to download, with no in-app purchases.
Is 化学の王様 free?
化学の王様 is free to download, with in-app purchases available.
Do 英熟語センター750 or 化学の王様 have ads?
化学の王様 shows ads; 英熟語センター750 does not.
Which is updated more often, 英熟語センター750 or 化学の王様?
英熟語センター750 ships an update every 7 months, and 化学の王様 every 3 weeks. Most recently, 英熟語センター750 was updated on November 1, 2026 and 化学の王様 on November 3, 2026.

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