Comparison

既読 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

既読

Features
Read full description

『既読』は、スマートフォンの中に残されたチャット、写真、通話履歴、メモなどを調べながら真実を解き明かしていく心理ミステリーゲームです。 一つの違和感が、すべての真実を覆します。 あなたは情報を集め、矛盾を見つけ、自分だけの仮説を組み立てながら事件の真相へ近づいていきます。 「見えているもの」が真実とは限りません。

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

既読2 screens
Cube Chess4 screens

Verdict

The call

The clearest difference is ads: 既読 at none against Cube Chess's shown. Cube Chess's advantage is update cadence (every 3 days vs monthly). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

既読 ships an update monthly, Cube Chess every 3 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 4 level
既読 versus Cube Chess: the parameters behind the verdict, then further details
Parameter既読Cube Chess
PriceFreeFree
Update frequencyMonthlyEvery 3 days — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size3 MB73 MB
Age rating12+4+
DeveloperHIDEKI TAMAIKamineko

In-app purchases

None

既読

No in-app purchases

None

Cube Chess

No in-app purchases

Questions

Is 既読 free?
既読 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 既読 or Cube Chess have ads?
Cube Chess shows ads; 既読 does not.
Which is updated more often, 既読 or Cube Chess?
既読 ships an update monthly, and Cube Chess every 3 days. Most recently, 既読 was updated on October 16, 2026 and Cube Chess on October 24, 2026.

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