Comparison

こいのぼりレーシング vs Idle Marathon

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

Head to head
About

こいのぼりレーシング

Features
Read full description

こいのぼりを育て、ライバルたちとの熾烈なレースに勝ち続けよう。 自分だけのこいのぼりをカスタマイズし、パラメータを戦略的に組み合わせてクラスの頂点を目指す育成レースゲームです。 速度・スタミナ・ブースト・耐久力など8種類のパラメータを自由に振り分けて、自分だけのレーススタイルを作り上げましょう。レベルアップするたびにポイントが増え、こいのぼりはどんどん強くなっていきます。 レースは全10クラス。1位を獲得するたびに上位クラスが解放され、より長いコースでより強いライバルとの戦いが待っています。クラスが上がるほど獲得できる経験値も多くなり、成長の実感が得られます。 ボディカラーは色相・彩度・明度で細かく調整でき、12種類の目のデザインから好みのものを選択可能。ランキングにも名前とともに表示されるので、個性あふれる自分だけのこいのぼりを作り上げてください。 パラメータはいつでも自由に振り直せるので、レースごとに戦略を変えて挑むことができます。 世界中のプレイヤーとオンラインランキングで競い合おう。

About

Idle Marathon

Embark on a virtual marathon across 191 countries, collecting flags and earning coins. Your runner progresses even when the app is closed, requiring simple check-ins to provide water and upgrade stats. Enjoy changing scenery and race against time limits to complete your global collection.

Highlights
  • Run through 191 countries
  • Collect flag badges
  • Progress while offline
  • Upgrade runner stats
  • Race against time limits
  • Dynamic scenery and weather
Features
Read full description

An around-the-world marathon that runs itself. Your runner keeps running while the app is closed. Open it now and then, give him water, spend the coins he earned. Simple to play, with more to it than it looks. ■ Run 191 countries, one after another You start from your own country, run to the next one, then the next. All the way around the world, until one day you come home again. ■ Collect a badge for every flag One badge for each country you reach, 192 in all. See how much of the collection you can complete. ■ New scenery with every arrival City, suburb, forest, coast, mountain, desert, snow. The weather and the time of day shift as well. Built so that simply watching him run is part of it. ■ What you do is simple Give him water to restore stamina. Spend coins on Speed and Stamina. Raise your runner and send him on to the next country. ■ Can you make the target time? Every destination has its own time limit. Make it and you earn the badge; miss it and he runs the same leg again. Either way, you never lose the distance or the coins. The kind of game that is just nice to check in on. ・No account or sign-up required

Screenshots

こいのぼりレーシング4 screens
Idle Marathon4 screens

Verdict

The call

The clearest difference is update cadence: Idle Marathon at every 8 days against こいのぼりレーシング's every 3 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

こいのぼりレーシング ships an update every 3 months, Idle Marathon every 8 days. The most recent releases landed on November 9, 2026 and November 8, 2026 respectively.

Scorecard1 real difference · 7 level
こいのぼりレーシング versus Idle Marathon: the parameters behind the verdict, then further details
ParameterこいのぼりレーシングIdle Marathon
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 3 monthsEvery 8 days — better
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size45 MB85 MB
Age rating4+4+
Developer有限会社fupacGOLDEN DOG, K.K.

In-app purchases

None

こいのぼりレーシング

No in-app purchases

None

Idle Marathon

No in-app purchases

Questions

Is こいのぼりレーシング free?
こいのぼりレーシング is free to download, with no in-app purchases.
Is Idle Marathon free?
Idle Marathon is free to download, with no in-app purchases.
Do こいのぼりレーシング or Idle Marathon have ads?
Both こいのぼりレーシング and Idle Marathon show ads.
Which is updated more often, こいのぼりレーシング or Idle Marathon?
こいのぼりレーシング ships an update every 3 months, and Idle Marathon every 8 days. Most recently, こいのぼりレーシング was updated on November 9, 2026 and Idle Marathon on November 8, 2026.

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