Comparison

SOINSU math puzzle vs 藤原氏集め

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

Head to head
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.

About

藤原氏集め

Features
Read full description

奈良から現代にかけて歴史の世界を彩る藤原氏をイメージしたキャラクターが多数登場。 放置ゲームとしてゆっくりのんびり集めるもよし、 こまめに開いてお世話するもよしの、 癒しの歴史ゲームです。 推しの藤原氏に会えるかも! 全機能、無料でプレイできます。 画面下部にバナー広告が挿入されます。

Screenshots

SOINSU math puzzle4 screens
藤原氏集め4 screens

Verdict

The call

The clearest difference is in-app purchases: 藤原氏集め at none against SOINSU math puzzle's 2. 藤原氏集め also leads on review sentiment (100% vs 90%). SOINSU math puzzle's advantage is update cadence (weekly vs every 2 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SOINSU math puzzle sells 2 one-off in-app purchases. 藤原氏集め asks for nothing beyond the download.

UpkeepUpdate frequency

SOINSU math puzzle ships an update weekly, 藤原氏集め every 2 weeks. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 5 level
SOINSU math puzzle versus 藤原氏集め: the parameters behind the verdict, then further details
ParameterSOINSU math puzzle藤原氏集め
PriceFreeFree
Positive reviews90.0% of reviews100.0% of reviews — better
Update frequencyWeekly — betterEvery 2 weeks
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size105 MB214 MB
Age rating4+4+
DeveloperGAIBAKO co., Ltd.Sumie Watanabe

Customer experience

SOINSU math puzzle

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

藤原氏集め

Written reviews20 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

SOINSU math puzzle

One-time2
  • Add no time limit mode$0.99
  • Hidden Ads$2.99
None

藤原氏集め

No in-app purchases

Questions

Is SOINSU math puzzle free?
SOINSU math puzzle is free to download, with in-app purchases available.
Is 藤原氏集め free?
藤原氏集め is free to download, with no in-app purchases.
Do SOINSU math puzzle or 藤原氏集め have ads?
Both SOINSU math puzzle and 藤原氏集め show ads.
Which is updated more often, SOINSU math puzzle or 藤原氏集め?
SOINSU math puzzle ships an update weekly, and 藤原氏集め every 2 weeks. Most recently, SOINSU math puzzle was updated on October 17, 2026 and 藤原氏集め on October 16, 2026.

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