10を作ろう vs PASSCODES
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
10を作ろう
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このアプリでは、引き算、足し算、掛け算、割り算を選択して合計を１０にするゲームです。数字の間にあるボタンをタップすることで記号がどんどん変わります。１０になると思ったら決定ボタンを押すと結果が表示されます。非常に簡単な操作で計算を楽しむことができます。あの藤井聡太棋士も脳トレとしてやっていたものです。 問題数は全部で540問以上をプレイできます。今後のバージョンアップで問題数を増やしていく予定です。
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!
Screenshots
Verdict
The clearest difference is update cadence: PASSCODES at every 2 months against 10を作ろう's every 14 months. 10を作ろう's advantage is iOS requirement (15.1 vs 17.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
10を作ろう ships an update every 14 months, PASSCODES every 2 months. The most recent releases landed on September 9, 2026 and May 17, 2026 respectively.
| Parameter | 10を作ろう | PASSCODES |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 14 months | Every 2 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | takeshi inoue | KENICHI YAMAMOTO |
In-app purchases
10を作ろう
No in-app purchases
PASSCODES
No in-app purchases
