風車 vs Mental Dice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
風車
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ふ〜っと吹くと回る風車です。 優しく吹くとゆっくり回り、沢山吹くと勢いよく回ります。 一人遊びで癒されてみたり、みんなで息が続く限り吹きまくったり。 背景を変えて気分転換。いろんな場所で回しましょう。 背景を変更できます。 ・カメラのライブ映像 ・黒または白 ・フォトライブラリーから選んだ写真 風車の数を変更できます。 ・5つまでの風車を同時に回せます ・それぞれの回転方向を変えられます 風車の画像を変更できます。 ・風車（ピンク） ・風車（グリーン） ・風車（モノトーン） ・風車（イエロー） ・風車（パープル） ピンチイン、ピンチアウトで風車の大きさを変更できます。
Mental Dice
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This is an application for performing magic tricks. You can let the opponent choose the dice roll freely, and you can secretly know the dice roll selected by the opponent. Please check "How To Use" after launching the app.
Screenshots
Verdict
The clearest difference is price: 風車 at Free against Mental Dice's $3.99. 風車 also leads on update cadence (every 3 months vs every 26 months) and iOS requirement (10.0 vs 16.0). Mental Dice's advantage is ads (none vs shown). On 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
風車 is free to download; Mental Dice costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
風車 ships an update every 3 months, Mental Dice every 26 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | 風車 | Mental Dice |
|---|---|---|
| Price | Free — better | $3.99 |
| Update frequency | Every 3 months — better | Every 26 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 25 MB | 1 MB |
| Age rating | 4+ | 17+ |
| Developer | Keietsu Yasuhara | matsumoto yuuki |
In-app purchases
風車
No in-app purchases
Mental Dice
No in-app purchases
