Comparison

素因数分解クイズ vs Brain Training

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

Head to head
About

素因数分解クイズ

Features
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素因数分解を見極めろ!あなたの分解力が試される! 表示される数値から正しい因数分解の解答を選び、ランキング上位を目指す脳トレ系クイズゲーム。 遊びながら数学を鍛え、瞬発力を向上させよう。 遊び方 • 画面に数値が表示される • 4つの選択肢から正しい素因数分解の解答を選ぶ • 早く答えるほどスコアが上がり、制限時間が増加 • 時間がなくなる前にできるだけ多くの問題に正解しよう ゲームの特徴 • シンプルで直感的に遊べるクイズゲーム • 初級・中級・上級の3つの難易度に挑戦可能 • 制限時間内にスコアを競うスピード感のあるルール • 全国ランキング機能で他のプレイヤーと競争 • 和風デザインと心地よいBGMで集中できる環境 こんな人におすすめ • 脳トレゲームが好きな人 • 数学力・暗算を鍛えたい人 • 素数が好きな人、または学習中の人 • シンプルなクイズゲームを楽しみたい人 • ランキングで競争するのが好きな人 今すぐダウンロードして、分解スピードに挑戦しよう。

About

Brain Training

Features
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How old is your brain today? Measure your brain age in about 3 minutes with three quick mini games - then come back tomorrow and keep it young. YOUR BRAIN AGE IN 3 MINUTES - Card Match: flip the cards and find every pair to test your short-term memory. - Proverb Quiz: complete well-known sayings to test your language sense. - Quick Math: solve as many problems as you can before time runs out. - Your three scores combine into one simple number: your brain age. ONE MISSION EVERY DAY - A fresh daily brain mission runs all three games back to back. - Complete it every day to build your streak. - Try to beat yesterday's brain age. SEE IT AT A GLANCE - Home screen widget shows today's brain age and your streak. - Clear score breakdown and a grade for every game. SIMPLE AND COMFORTABLE - Three difficulty levels for every game, from relaxed to demanding. - Adjustable text size - easy on the eyes at any age. - Proverbs in your own language, not translations of foreign ones. - Works fully offline. No account, no sign-up. - Free to download and play. BRAIN REPORT (OPTIONAL ONE-TIME PURCHASE) - Your brain age trend over time, and score trends for all three games. - The area where your own averages are weakest. - The time of day you focus best. - Built only from the records already saved on your device. It does not estimate IQ, percentiles, or comparisons with other people. - Everything else stays free. The report is an optional extra, bought once. Whether you want a quick mental warm-up with your morning coffee or a daily habit to keep your mind sharp, Brain Training fits into three spare minutes. Download Brain Training and find out how young your brain really is.

Screenshots

素因数分解クイズ4 screens
Brain Training4 screens

Verdict

The call

The clearest difference is ads: Brain Training at none against 素因数分解クイズ's shown. 素因数分解クイズ's advantage is update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, 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

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

素因数分解クイズ ships an update every 5 days, Brain Training every 3 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 4 level
素因数分解クイズ versus Brain Training: the parameters behind the verdict, then further details
Parameter素因数分解クイズBrain Training
PriceFreeFree
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better17.0
Further details — not scored
Size26 MB2 MB
Age rating4+4+
DeveloperYUKI WATANABEHyunwoo Lee

In-app purchases

None

素因数分解クイズ

No in-app purchases

None

Brain Training

No in-app purchases

Questions

Is 素因数分解クイズ free?
素因数分解クイズ is free to download, with no in-app purchases.
Is Brain Training free?
Brain Training is free to download, with no in-app purchases.
Do 素因数分解クイズ or Brain Training have ads?
素因数分解クイズ shows ads; Brain Training does not.
Which is updated more often, 素因数分解クイズ or Brain Training?
素因数分解クイズ ships an update every 5 days, and Brain Training every 3 weeks. Most recently, 素因数分解クイズ was updated on October 6, 2026 and Brain Training on October 4, 2026.

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