大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ vs Math Duel
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~
A brain training app designed for adults to sharpen their minds with a variety of riddles. It offers 100 questions ranging from easy to challenging, perfect for passing the time and stimulating your intellect.
- Brain training for adults
- 100 riddle questions
- Varied difficulty levels
- IQ and cipher quizzes
- Time-killing entertainment
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「大人のなぞなぞ」の新作がついに登場です！！！ 【このアプリについて】 ・あたまがかたくなった大人のための脳トレアプリです。 ・年齢問わず楽しんでいただける内容になっています。 ・全100問に渡る問題をご用意しております。 ・簡単な問題から難しい問題までバリエーション豊富です。 ・後半は難しい問題が多数ございます。 ・脳トレ、なぞなぞ、IQクイズ、暗号クイズなどが好きな方、暇つぶしにオススメです。一度やったらハマります！
Math Duel
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Math Duel is a math puzzle game built around mental calculation, stage progression, timed challenges, and multiplayer battles. Start with simple problems, sharpen your speed and accuracy, then take on harder stages as you improve. Play solo, race against the clock, or enter a multiplayer room to compete with another player in real time. Features: - Math stages that gradually raise the difficulty - Timed challenges for speed and accuracy training - Multiplayer room battles with real-time solving - Archive collection content inspired by numbers and theorems - Strategic items such as shuffle, auto-place, and trap removal Math Duel is made for players who enjoy math games, mental math, brain training, puzzle challenges, and competitive problem solving. Ready for your next math duel?
Screenshots
Verdict
The clearest difference is in-app purchases: 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ at none against Math Duel's 6. 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ also leads on update cadence (every 10 days vs every 4 weeks). On price, ads, 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. Math Duel sells 6 one-off in-app purchases. 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ asks for nothing beyond the download.
大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ ships an update every 10 days, Math Duel every 4 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ | Math Duel |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 41.4% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 days — better | Every 4 weeks |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 12 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Ikue Konno | HAO CHANG KUO |
In-app purchases
大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~
No in-app purchases
Math Duel
- Energy Potion Pack$0.99
- Basic Tool Pack$0.99
- Advanced Pass Upgrade$0.99
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- Starter Pack$1.99
- Standard Pass$2.99
- Advanced Pass$3.99
Questions
Is 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ free?
Is Math Duel free?
Do 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ or Math Duel have ads?
Which is updated more often, 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ or Math Duel?
Other comparisons
