Comparison

π(円周率)記憶ゲーム vs Cube Chess

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

Head to head
About

π(円周率)記憶ゲーム

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「π(円周率)記憶ゲーム」は、発達障がい(自閉症、アスペルガー症候群、注意欠如・多動性障がい(ADHD)、 学習障がい、チック障がい)のある児童向け療育・知育ゲームアプリです。 障がいのある子ども向けのシンプルなゲームアプリとなっています。 ◆ ルールは超簡単 ◆ 円周率(3.1415…と永久に続く小数点以下の数字(無理数)を覚える記憶ゲーム! 円周率をたくさん覚えて円周率マスターになろう! * オフラインでも遊ぶことができるので旅行中でもWi-Fiがなくても遊べます。 * 本ゲームは無料ですが広告が表示されます。 * 遊び時間にご注意ください。

About

Cube Chess

Features
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Chess that also grows upward. Cube Chess brings Raumschach — a 5x5x5, 125-square variant played on five stacked boards — to your phone. Pieces move forward, sideways, and up and down. The check you never saw coming arrives from below. That surprise is the whole game. ■ Prof. Mono teaches you An interactive tutorial covers everything from the rules to thinking in three dimensions. New to chess? Bad with spatial puzzles? You'll be fine. ■ The Challenge Tower — seven keepers Seven opponents with distinct personalities: the aggressor, the wall, the trickster. Climb one floor at a time through a story mode. ■ Get a little stronger every day Daily mate puzzles, a 12-step learning ladder, a three-strike Puzzle Rush, and forced-mate problems in two difficulty tiers. ■ A level that fits you Three AI strengths plus material handicaps, so your first win is never out of reach. ■ A quiet cosmos to think in Seven glass-and-starlight themes, unlocked as you play. Everything runs offline. No account, no connection required. Available in 12 languages. Test the depth of your reading in a quiet cosmos.

Screenshots

π(円周率)記憶ゲーム3 screens
Cube Chess4 screens

Verdict

The call

The clearest difference is update cadence: Cube Chess at every 3 days against π(円周率)記憶ゲーム's every 3 months. π(円周率)記憶ゲーム's advantage is iOS requirement (11.0 vs 15.0). 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

π(円周率)記憶ゲーム ships an update every 3 months, Cube Chess every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 4 level
π(円周率)記憶ゲーム versus Cube Chess: the parameters behind the verdict, then further details
Parameterπ(円周率)記憶ゲームCube Chess
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 days — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.0
Further details — not scored
Size62 MB73 MB
Age rating4+4+
DeveloperGarhi Japan K.K.Kamineko

In-app purchases

None

π(円周率)記憶ゲーム

No in-app purchases

None

Cube Chess

No in-app purchases

Questions

Is π(円周率)記憶ゲーム free?
π(円周率)記憶ゲーム is free to download, with no in-app purchases.
Is Cube Chess free?
Cube Chess is free to download, with no in-app purchases.
Do π(円周率)記憶ゲーム or Cube Chess have ads?
Both π(円周率)記憶ゲーム and Cube Chess show ads.
Which is updated more often, π(円周率)記憶ゲーム or Cube Chess?
π(円周率)記憶ゲーム ships an update every 3 months, and Cube Chess every 3 days. Most recently, π(円周率)記憶ゲーム was updated on October 25, 2026 and Cube Chess on October 24, 2026.

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