Comparison

口寄せ for 東方 vs PrimeNumbersGirl

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

Head to head
About

口寄せ for 東方

This game allows users to summon Touhou characters by entering specific phrases. It's a simple time-killing game featuring 193 characters, though completing the collection may be challenging. This is a fan-made derivative work of the Touhou Project.

Highlights
  • Summon Touhou characters
  • Enter summoning phrases
  • Simple gameplay
  • 193 characters included
  • Fan-made derivative work
Features
Read full description

口寄せの言葉で、東方キャラクターを口寄せするアプリです。 ※本アプリは東方Projectの二次創作物です。 <遊び方> 口寄せ画面で、口寄せの言葉を入力して口寄せボタンを押します。 単純な暇つぶしゲームですが遊んであげてください。 <収録キャラクター> 193画像 ※数が多いのでコンプリートは少し難しいかもです。。。 <著作権> 本アプリは東方Projectの二次創作物です。 東方Project 上海アリス幻樂団 http://www6.big.or.jp/~zun/ 本アプリで使用しているBGMは「こんとどぅふぇ HiLi」様が作成されたものです。 こんとどぅふぇ HiLi http://conte-de-fees.com/ 本アプリで使用している効果音の一部は「Music is VFR」様が作成されたものです。 http://musicisvfr.com/

About

PrimeNumbersGirl

Embark on a love story adventure centered around prime numbers. Engage in a simple yet captivating game where you must quickly determine if given numbers are prime. Success unlocks positive outcomes, while incorrect answers may lead to playful reprimands.

Highlights
  • Prime number identification gameplay
  • Interactive story with a mysterious girl
  • Judgment-based challenges
  • Unlockable events based on performance
  • Playful consequences for wrong answers
Features
Read full description

◇◇◇ Story ◇◇◇ "You, you like prime numbers?" A story began from a place where such a voice was spoken from a mysterious beauty girl after school for a day. Yes, This is a story of love and adventure about prime numbers. I will definitely remember the joy of meeting new prime numbers. ◇◇◇ Feature ◇◇◇ Whole prime numbers industry shock!? Let's enjoy finding prime numbers with Motoco-san who likes prime numbers. Easy game just to judge whether the numerical question to be given from girls is prime numbers or not. Something good happens when it becomes possible to judge a lot of prime numbers!? Does it make you misunderstood with harsh words if you answer wrong?

Screenshots

口寄せ for 東方4 screens
PrimeNumbersGirl4 screens

Verdict

The call

The clearest difference is in-app purchases: 口寄せ for 東方 at none against PrimeNumbersGirl's 2. 口寄せ for 東方 also leads on ads (none vs shown). PrimeNumbersGirl's advantage is update cadence (every 5 weeks vs every 59 months) and review sentiment (100% vs 82%). On price 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. PrimeNumbersGirl sells 2 one-off in-app purchases. 口寄せ for 東方 asks for nothing beyond the download.

UpkeepUpdate frequency

口寄せ for 東方 ships an update every 59 months, PrimeNumbersGirl every 5 weeks. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
口寄せ for 東方 versus PrimeNumbersGirl: the parameters behind the verdict, then further details
Parameter口寄せ for 東方PrimeNumbersGirl
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews82.0% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 59 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS16.412.0 — better
Further details — not scored
Size113 MB163 MB
Age rating12+4+
DeveloperMichitaka Oyamaradiuthree Co., Ltd

Customer experience

口寄せ for 東方

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews50 reviews
Positive82.0%
Neutral12.0%
Negative6.0%

PrimeNumbersGirl

Written reviews13 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

口寄せ for 東方

No in-app purchases

2 purchases

PrimeNumbersGirl

One-time2
  • Hide ads$0.99
  • 金の素数ガチャ$0.99

Questions

Is 口寄せ for 東方 free?
口寄せ for 東方 is free to download, with no in-app purchases.
Is PrimeNumbersGirl free?
PrimeNumbersGirl is free to download, with in-app purchases available.
Do 口寄せ for 東方 or PrimeNumbersGirl have ads?
PrimeNumbersGirl shows ads; 口寄せ for 東方 does not.
Which is updated more often, 口寄せ for 東方 or PrimeNumbersGirl?
口寄せ for 東方 ships an update every 59 months, and PrimeNumbersGirl every 5 weeks. Most recently, 口寄せ for 東方 was updated on November 2, 2026 and PrimeNumbersGirl on October 24, 2026.

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