Comparison

iPSマスター vs SOINSU math puzzle

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

Head to head
About

iPSマスター

Experience the groundbreaking discovery of iPS cells by stepping into the shoes of a researcher. This interactive iPad app allows you to recreate the simple yet beautiful experiments that led to this Nobel Prize-winning achievement. Embark on a journey to understand and create iPS cells.

Highlights
  • Recreate iPS cell discovery experiments
  • Interactive simulation
  • Learn about iPS cell research
  • Educational gameplay
  • Designed for iPad
Features
Read full description

iPS細胞はどうやって発見されたのでしょうか? 世紀の大発見なのだからとても複雑な実験がなされたと思われるかもしれませんが、実際にはとてもシンプルで美しい実験により明らかになりました。 iPadアプリ「iPSマスター」では、あなたも山中研究室の一員となって、iPS細胞を発見した時の実験を追体験できます。 さぁ、みなさん、用意はいいですか? iPS細胞を作り出す研究に挑戦してみましょう!

About

SOINSU math puzzle

Engage in a brain-training puzzle game focused on prime factorization. Anyone can learn the fun of numbers through this simple, time-killing activity. Enjoy the challenge of dividing numbers into prime factors with a high-tempo soundtrack.

Highlights
  • Prime factorization gameplay
  • Brain training puzzles
  • Mental arithmetic practice
  • Cyber visuals
  • Trance music soundtrack
  • Multiple game modes
  • Prime number collection
Features
Read full description

SOINSU Math puzzles to stimulate your brain. Anyone can easily learn the fun of numbers through time-killing brain training. This is a simple game that can be enjoyed by even elementary school students to train their mental arithmetic skills. You can casually enjoy prime factorization, which is essential for mathematics. Let's enter the world of prime numbers with high-tempo trance music! You'll definitely be hooked! Choose a prime number that can evenly divide the numbers that appear. Repeat more and more until you reach a prime number, then select "SOSUU!" The next number will appear. When you clear it, the level will go up. As the level increases, the number of types of prime numbers increases. Aim to clear the high level! ●Basic rules: ◇This is a game where you do prime factorization. ●How to play: ◇Divide the number in the middle into prime factors ◇Choose a prime number that can divide the number and flick in that direction ◇If you answer correctly, it will be divided, so repeat ◇Repeat until it becomes a prime number ◇When it becomes a prime number, flick down (SOSUU!) ◇The level increases and the next number is displayed in the center. ◇If you can't answer within 5 seconds, it's a mistake. ◇If you make a mistake 3 times, the game is over. Even though it's easy to play, you'll definitely get hooked on the increasingly difficult problems! Now, let's have some fun! ●Function: ◇Simple and cyber visuals ◇Trance music that uplifts your mood ◇Game play that strengthens concentration ◇Casual game that can be completed in a short time ◇The prime number collection that can be collected is a threatening 168 pieces. ◇You can play the no time limit mode once by watching the video. ●Mode ◇Normal Time limit 5 seconds ◇Easy 10 seconds time limit ◇Hard Time limit 5 seconds Starts at level 21 ◇Unlimited time (paid) unlimited time ●Prime number collection ◇When you watch the video, one prime number collection will be released. ◇There are 168 prime numbers in total. It covers all 3-digit prime numbers. ◇Prime numbers can be seen in beautiful cyber visuals.

Screenshots

SOINSU math puzzle4 screens

Verdict

The call

The clearest difference is in-app purchases: iPSマスター at none against SOINSU math puzzle's 2. iPSマスター also leads on ads (none vs shown) and iOS requirement (8.0 vs 12.0). SOINSU math puzzle's advantage is update cadence (weekly vs every 4 months) and review sentiment (90% vs 80%). On price 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. SOINSU math puzzle sells 2 one-off in-app purchases. iPSマスター asks for nothing beyond the download.

UpkeepUpdate frequency

iPSマスター ships an update every 4 months, SOINSU math puzzle weekly. Both last shipped on October 17, 2026.

Scorecard7 real differences · 1 level
iPSマスター versus SOINSU math puzzle: the parameters behind the verdict, then further details
ParameteriPSマスターSOINSU math puzzle
PriceFreeFree
Positive reviews80.0% of reviews90.0% of reviews — better
Update frequencyEvery 4 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better12.0
Further details — not scored
Size684 MB105 MB
Age rating4+4+
DeveloperKYOTO UNIVERSITYGAIBAKO co., Ltd.

Customer experience

iPSマスター

Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

SOINSU math puzzle

Written reviews20 reviews
Positive90.0%
Neutral5.0%
Negative5.0%

In-app purchases

None

iPSマスター

No in-app purchases

2 purchases

SOINSU math puzzle

One-time2
  • Add no time limit mode$0.99
  • Hidden Ads$2.99

Questions

Is iPSマスター free?
iPSマスター is free to download, with no in-app purchases.
Is SOINSU math puzzle free?
SOINSU math puzzle is free to download, with in-app purchases available.
Do iPSマスター or SOINSU math puzzle have ads?
SOINSU math puzzle shows ads; iPSマスター does not.
Which is updated more often, iPSマスター or SOINSU math puzzle?
iPSマスター ships an update every 4 months, and SOINSU math puzzle weekly. Most recently, iPSマスター was updated on October 17, 2026 and SOINSU math puzzle on October 17, 2026.

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