PASSCODES vs 短期記憶強化
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PASSCODES
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Aim for the world's number one instantaneous memory! Infinite Passcode is a super-simple game in which you simply memorize the passcode displayed on the screen and type it in. This game is perfect for activating the brain, improving memory, strengthening concentration. You can also see your memory rank in the world ranking. Please try it while you are on the move, in the middle of a boring meeting, or while waiting at the hospital!
短期記憶強化
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ルールは簡単！ 3*3のパネルのいくつかが順番に光るので、同じ順番でパネルをタップしていくだけ ステージが進むにつれてだんだんと難しくなっていくけど、毎日少しづつ挑戦することでだんだんとクリアできるレベルが上がっていくはずだよ
Screenshots
Verdict
The clearest difference is ads: 短期記憶強化 at none against PASSCODES's shown. 短期記憶強化 also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (15.1 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PASSCODES ships an update every 2 months, 短期記憶強化 every 3 days. The most recent releases landed on May 17, 2026 and September 9, 2026 respectively.
| Parameter | PASSCODES | 短期記憶強化 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 16 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | KENICHI YAMAMOTO | Katsushi Kuroki |
In-app purchases
PASSCODES
No in-app purchases
短期記憶強化
No in-app purchases
