Comparison

英語2級レベル対策ドリル vs Infinite Math

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

Head to head
About

英語2級レベル対策ドリル

Features
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英語2級レベル対策ドリルは、159問の問題を収録した本格的な英語学習アプリです。 ■主な特徴 FSRS間隔反復で効率的に記憶を定着。苦手な問題を自動判別し、重点的に復習できます。 弱点ヒートマップで自分の苦手分野が一目瞭然。学習の進捗管理に活用できます。 デイリーチャレンジ機能で毎日楽しく継続学習が可能。習慣化をサポートします。 模試機能で実力チェック。試験試験形式の問題構成で、合格力を鍛えます。 全問解説付きなので、間違えた問題も納得の理解が可能。基礎から応用まで幅広く学べます。 ■こんな方におすすめ ・英語2級合格を目指す方 ・効率的に弱点を克服したい方 ・毎日の学習を習慣化したい方 ・模試で実力を試したい方 このアプリで、あなたの英語力を確実にレベルアップしましょう!ぜひ今すぐダウンロードして学習を始めてください。 ※本アプリはオフラインでも利用可能。いつでもどこでも学習できます。 ※ 本アプリは試験主催団体とは関係ない非公式の学習補助アプリです。試験の最新情報・出題範囲・受験要項は必ず公式情報をご確認ください。

About

Infinite Math

Features
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That “I solved it!” feeling, all over again. A math app for grown-ups who solve for pleasure—not for any exam. From the wonder of primes and divisors to the crane-and-turtle puzzle, the Monty Hall problem, and even the legendary entrance exams of Japan's top universities— a collection of beautiful problems that make you feel "numbers are fascinating." ■ Made for you if you ・love numbers and logic puzzles ・enjoy giving your mind a workout in spare moments ・want to know not just the answer, but the idea behind it ・are done with exams, but want to rediscover the joy of math ■ Six categories, 80+ problems (more added over time) ・Number Theory & Puzzles … primes, divisors, Fibonacci, perfect numbers, and more ・Classic Problems … crane-and-turtle, Monty Hall, the Königsberg bridges, Pick's theorem, and more ・Elementary Exams … ferris-wheel logic, seesaw puzzles, and other gems ・Junior-High Exams … work, travel, concentration, and counting problems ・High-School Exams … symmetric expressions, probability, Euler's prime-generating formula ・University Exams … legendary stumpers like "Is tan 1° rational?" and "Prove π > 3.05" ■ Highlights ・Daily Problem … one fresh problem to tackle each day ・Sessions … test yourself with five problems at a time ・Explanations worth reading … not just the answer, but the background and the thinking ・Interactive figures … trace the Königsberg bridges or Pick's theorem with your finger ・Progress tracking … solved problems are recorded; aim to clear them all ・19 languages … enjoy these problems in Japanese, English, Chinese, Korean, and more Answers are simple multiple choice—and some figures come alive at your fingertips. Enjoy the world of numbers on your commute, on a break, or before bed.

Screenshots

英語2級レベル対策ドリル4 screens
Infinite Math4 screens

Verdict

The call

The clearest difference is update cadence: 英語2級レベル対策ドリル at every 3 days against Infinite Math's every 3 weeks. 英語2級レベル対策ドリル also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

英語2級レベル対策ドリル ships an update every 3 days, Infinite Math every 3 weeks. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 3 level
英語2級レベル対策ドリル versus Infinite Math: the parameters behind the verdict, then further details
Parameter英語2級レベル対策ドリルInfinite Math
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size53 MB8 MB
Age rating4+4+
DeveloperAFTW LLCkenta yamamoto

In-app purchases

None

英語2級レベル対策ドリル

No in-app purchases

None

Infinite Math

No in-app purchases

Questions

Is 英語2級レベル対策ドリル free?
英語2級レベル対策ドリル is free to download, with no in-app purchases.
Is Infinite Math free?
Infinite Math is free to download, with no in-app purchases.
Do 英語2級レベル対策ドリル or Infinite Math have ads?
Both 英語2級レベル対策ドリル and Infinite Math show ads.
Which is updated more often, 英語2級レベル対策ドリル or Infinite Math?
英語2級レベル対策ドリル ships an update every 3 days, and Infinite Math every 3 weeks. Most recently, 英語2級レベル対策ドリル was updated on October 25, 2026 and Infinite Math on October 29, 2026.

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