Attenai vs Infinite Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Attenai
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Attenai(アッテナイ)は、日常の何気ない疑問を哲学者に投げかけるアプリです。 ■ 3人の哲学者があなたの質問に答える ソクラテス — 「だがそもそも、それは本当にそうかね?」 ニーチェ — 「それこそ超人が立ち向かうべき問いだ!」 ユング — 「それは無意識の投影かもしれないね」 たけのこの里ときのこの山、どっちが好き? カレーは辛口?甘口? 遅刻は悪いことか? どんなくだらない質問にも、哲学者たちが大真面目に答えます。 ■ もうひと声 3人が答えた後、「もうひと声」ボタンで掛け合いが始まります。哲学者同士が互いの意見に反応して、議論が深まっていきます。 ■ 用語解説 「イデア」「超人」「シャドウ」…知らない用語もワンタップで解説。小学生にも分かるやさしい言葉で説明します。 ■ おすすめ本・映画 哲学者たちが会話の中で本や映画を自然におすすめ。タップするとAmazonで見られます。カレーの話から『ソフィーの世界』に出会えるかも。 ■ 3つのレベル 小学生 — やさしい言葉で楽しく哲学 普通 — 日常の例えで分かりやすく 学者 — 専門用語と引用で本格的に ■ 3言語対応 日本語・English・中文 おもしろきことなき世を面白く。 答えは、アッテナイ。
Infinite Math
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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, 100+ 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 ・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.
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Verdict
The clearest difference is in-app purchases: Attenai at none against Infinite Math's 1. Attenai also leads on ads (none vs shown). On price, 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. Infinite Math sells 1 one-off in-app purchase. Attenai asks for nothing beyond the download.
| Parameter | Attenai | Infinite Math |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Daisaku Seto | TOUZANBOU |
In-app purchases
Attenai
No in-app purchases
Infinite Math
- Unlock All (No Ads)$4.99
Questions
Is Attenai free?
Is Infinite Math free?
Do Attenai or Infinite Math have ads?
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