Comparison

Prime Numberist vs 素因数分解クイズ

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

Head to head
About

Prime Numberist

A simple game where you quickly identify prime numbers as they fall. Tap left for primes and right for non-primes to achieve high scores and combos. It's a fun way to practice prime number recognition in your spare time.

Highlights
  • Identify prime numbers
  • Fast-paced gameplay
  • High score ranking
  • Combo system
  • Practice prime factorization
Features
Read full description

All modes that can be played in normal mode are free to play!! PrimeNumberist is a simple game that keeps guessing whether the numbers falling from the top are prime numbers or prime numbers. Tap the left side of the screen if it is a prime number, or the right side of the screen if it is not a prime number. Answer correctly before reaching the lower line, continue combo and aim for a high score. ・ To use prime numbers in prime factorization ・ To count prime numbers when cornered ・ In your spare time Would you like to aim for the top of the high score ranking?

About

素因数分解クイズ

Features
Read full description

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。

Screenshots

Prime Numberist4 screens
素因数分解クイズ4 screens

Verdict

The call

The clearest difference is in-app purchases: 素因数分解クイズ at none against Prime Numberist's 3. 素因数分解クイズ also leads on update cadence (every 5 days vs every 6 weeks). Prime Numberist's advantage is iOS requirement (12.0 vs 16.6). On price, 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

Both are free to download. Prime Numberist sells 3 one-off in-app purchases. 素因数分解クイズ asks for nothing beyond the download.

UpkeepUpdate frequency

Prime Numberist ships an update every 6 weeks, 素因数分解クイズ every 5 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
Prime Numberist versus 素因数分解クイズ: the parameters behind the verdict, then further details
ParameterPrime Numberist素因数分解クイズ
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 5 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.6
Further details — not scored
Size123 MB26 MB
Age rating4+4+
DeveloperMasato NiizekiYUKI WATANABE

In-app purchases

3 purchases

Prime Numberist

One-time3
  • 10 Expert mode tickets$0.99
  • 55 Expert mode tickets$0.99
  • Unlock expert mode and off AD$1.99
None

素因数分解クイズ

No in-app purchases

Questions

Is Prime Numberist free?
Prime Numberist is free to download, with in-app purchases available.
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.
Do Prime Numberist or 素因数分解クイズ have ads?
Both Prime Numberist and 素因数分解クイズ show ads.
Which is updated more often, Prime Numberist or 素因数分解クイズ?
Prime Numberist ships an update every 6 weeks, and 素因数分解クイズ every 5 days. Most recently, Prime Numberist was updated on October 24, 2026 and 素因数分解クイズ on October 6, 2026.

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