Comparison

えいごチャレンジ vs Highspeed Math

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

Head to head
About

えいごチャレンジ

Features
Read full description

「えいごチャレンジ」は、動作や状態を表す動詞、動作・現象が進行中の動詞、動詞と結びつけて使用する助動詞の使い方の基礎を学ぶ、英文法習得アプリです。 「えいごチャレンジ」では、イヌ、ブタ、クマ」、ライオン、ネコ、サル、ウサギ、ゾウ、トラ、ペンギンのそれぞれ動きを、〜する、〜した、〜できる、〜しているの表現を使って、単語と動詞の変化を学びます。 1つの表現につき2回の練習があり、表示される英文を書きます。正しく書けた場合はGood、間違っても最後まで書いた場合はGreatと表示されます。それぞれの問題には「いみ」ボタンがついているので、単語の意味がわからない場合は日本語を表示することができます。 2回の練習が終われば、テストです。Startボタンを押して始めましょう。テストでは日本語だけ表示されるので、それに該当する英文を書きましょう。最後まで書けたらExcellentと表示されます。 英語で話したり書いたりする場合、動詞の変化を使いこなせると表現の幅がぐんと広がります。日常の動作から英語表現を身につけましょう。

About

Highspeed Math

Engage in an exciting arithmetic challenge that transforms learning math into a thrilling adventure. Solve equations against the clock, defeat monsters, and collect cards and items to enhance your gameplay. This app makes mastering arithmetic fun and intellectually stimulating for all ages.

Highlights
  • Arithmetic challenges against the clock
  • Defeat monsters by solving equations
  • Collect character and item cards
  • Unlock unique vehicles
  • Curriculum-aligned challenges
  • User-friendly interface
Features
Read full description

Introducing “HIGHSPEED”, the ultimate arithmetic challenge! Are you ready to embark on an exciting mathematical journey? Look no further! HIGHSPEED will revolutionize the way you learn and enjoy arithmetic. Sharpen your mental calculation skills and become a true math mastermind! Immerse yourself in a world of thrilling challenges and captivating gameplay. With its intuitive interface and engaging features, HIGHSPEED makes learning arithmetic an exhilarating adventure. Whether you're a beginner looking to improve or a math enthusiast seeking the ultimate challenge, this app is designed just for you. Experience the rush of solving arithmetic equations against the clock to defeat the oncoming monsters. From addition and subtraction to multiplication and division, our carefully crafted stages will test your skills at every level. HIGHSPEED isn't just about numbers—it's a full-fledged gaming experience! Collect a diverse array of character and item cards, and unlock unique vehicles. With its educational focus and curriculum-aligned challenges, HIGHSPEED is the perfect companion for students, parents, and math enthusiasts of all ages. Featuring cute but spooky monsters, a user-friendly interface, and an addictive gameplay loop, HIGHSPEED will have you hooked from the very first equation. Discover the joy of mastering arithmetic like never before! Are you ready to become a math mastermind? Download HIGHSPEED now and unlock a world of thrilling arithmetic challenges that will keep you entertained and intellectually stimulated for hours on end. It's time to unleash your mathematical potential and conquer the world of numbers!

Screenshots

えいごチャレンジ4 screens
Highspeed Math4 screens

Verdict

The call

The clearest difference is price: Highspeed Math at Free against えいごチャレンジ's $1.99. Highspeed Math also leads on update cadence (monthly vs every 12 months) and iOS requirement (11.0 vs 15). えいごチャレンジ's advantage is in-app purchases (none vs 1). On ads 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

Highspeed Math is free to download; えいごチャレンジ costs $1.99 up front. Highspeed Math sells 1 one-off in-app purchase. えいごチャレンジ asks for nothing beyond the download.

UpkeepUpdate frequency

えいごチャレンジ ships an update every 12 months, Highspeed Math monthly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 5 level
えいごチャレンジ versus Highspeed Math: the parameters behind the verdict, then further details
ParameterえいごチャレンジHighspeed Math
Price$1.99Free — better
Rating—3.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 12 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1511.0 — better
Further details — not scored
Size52 MB223 MB
Age rating4+4+
DeveloperGloding Inc.Fantamstick

In-app purchases

None

えいごチャレンジ

No in-app purchases

1 purchases

Highspeed Math

One-time1
  • ハイスピード 全コース開放$9.99

Questions

Is えいごチャレンジ free?
えいごチャレンジ costs $1.99, with no in-app purchases.
Is Highspeed Math free?
Highspeed Math is free to download, with in-app purchases available.
Do えいごチャレンジ or Highspeed Math have ads?
Neither えいごチャレンジ nor Highspeed Math shows ads.
Which is updated more often, えいごチャレンジ or Highspeed Math?
えいごチャレンジ ships an update every 12 months, and Highspeed Math monthly. Most recently, えいごチャレンジ was updated on October 16, 2026 and Highspeed Math on October 13, 2026.

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