Comparison

英語の王様 vs ECOunit

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

Head to head
About

英語の王様

Learn English through fun, quiz-like challenges designed for high school and university entrance exams. Master vocabulary and grammar efficiently with short play sessions and rewarding quests.

Highlights
  • Quiz-like learning format
  • Over 1000 English questions
  • Short play sessions
  • High school & university exam focus
  • Game-like progression
  • Quest mode with rewards
Features
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Welcome to King of English! King of English is a part of our “King” education series that focuses on quick learning in a fun quiz-like manner! Are you interested in learning English? Currently, English is the de facto lingua franca of the world and is used is several sectors such as business, economics, and technology. Learn English with this application and open your career path to a limitless amount of options! With this application, you can study English 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 1000 questions of English 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 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/

About

ECOunit

Features
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講義管理のストレスを、ECOunitが解決します。 ■ Today View — 今日やるべきことが、すぐ分かる 今日の講義と次の行動をひと目で把握。MapKit連携で教室の場所を3Dマップ上に表示し、出欠状況をリアルタイムで更新。今日のスケジュールを完全に掌握できます。 ■ Session Detail — 出席管理を、シンプルに 出席・遅刻・欠席をワンタップで記録。欠席可能回数を自動集計し、単位取得リスクをリアルタイムで可視化。課題メモや授業資料もこの一画面で完結します。 ■ Timetable View — 時間割を、直感的に 月曜から土曜・1限から7限までの週間グリッドを一覧表示。出席リスクを色でひと目に判断できるインテリジェントなUI。Apple Human Interface Guidelinesに準拠した、iOSに溶け込む洗練されたデザイン。 ■ Courses View — すべての講義を、一箇所で 全履修科目の出席率・単位リスクレベルを横断管理。安全・注意・危険の3段階でリスクを可視化し、単位を落とす前に手を打てます。 ■ iCloud同期 CloudKitによるiCloud同期で、データを自動バックアップ。デバイスを変えてもそのまま引き継がれます。 ■ プライバシーファースト 個人情報の外部送信は一切なし。データはデバイスとiCloudにのみ保存。広告・トラッキングSDKも非搭載です。 ■ 通知機能 授業開始前にプッシュ通知でお知らせ。大事な講義を逃しません。 【こんな方におすすめ】 ・出席管理をもっと楽にしたい大学生 ・単位を確実に取りたい方 ・複数の講義を効率よく管理したい方

Screenshots

英語の王様4 screens
ECOunit4 screens

Verdict

The call

The clearest difference is in-app purchases: ECOunit at none against 英語の王様's 3. ECOunit also leads on ads (none vs shown). 英語の王様's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence 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. 英語の王様 sells 3 in-app purchases, starting at $2.49 per month. ECOunit asks for nothing beyond the download.

UpkeepUpdate frequency

英語の王様 ships an update every 6 weeks, ECOunit monthly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
英語の王様 versus ECOunit: the parameters behind the verdict, then further details
Parameter英語の王様ECOunit
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews87.5% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size138 MB9 MB
Age rating4+4+
DeveloperHANAUTA INC.ESC

In-app purchases

3 purchases

英語の王様

Subscriptions3
  • 特訓プラン$2.491 Month
  • 特訓プラン3 Days trial$12.996 Months
  • 特訓プラン3 Days trial$20.991 Year
None

ECOunit

No in-app purchases

Questions

Is 英語の王様 free?
英語の王様 is free to download, with in-app purchases available.
Is ECOunit free?
ECOunit is free to download, with no in-app purchases.
Do 英語の王様 or ECOunit have ads?
英語の王様 shows ads; ECOunit does not.
Which is updated more often, 英語の王様 or ECOunit?
英語の王様 ships an update every 6 weeks, and ECOunit monthly. Most recently, 英語の王様 was updated on November 3, 2026 and ECOunit on October 25, 2026.

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