石臼 vs Duck's Island
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
石臼
Read full descriptionHide full description
石臼をゴリゴリまわしてみませんか？ いろんな材料をゴリゴリ挽いて、ストレス解消しましょう。 ●石臼から出てくる粉 石臼を一周まわすたびに、粉が生成されます。 粉は動くバーに乗るとゴールドになります。 ゴールドをためて石臼を強化しましょう！ ●石臼の強化 石臼は強化することで生産性をアップすることができます。 粉ひとつあたりのゴールド換算率の向上や 一周まわすごとに生成される粉の量のアップ、 動くバーの大きくすることもできます。 ●粉にする材料 粉にする材料はたくさんあります。 ゴールドが一定値に達する度にそれらは開放されます。 小麦粉、コーヒー豆、大豆 etc...
Duck's Island
Engage in quick, soothing gameplay sessions with adorable ducks. Challenge wild ducks, power up your team, and decorate your island with collected rewards. Enjoy offline play and a unique duck choice system.
- Quick play sessions (< 5 minutes)
- Soothing duck animations
- Offline play supported
- Challenge wild ducks and bosses
- Duck power-up system
- Home screen decoration with miniatures
Read full descriptionHide full description
This game is recommended for people looking for a game like this! - Want to play a little during your free time? ⇒ One play session is less than 5 minutes. - Want to be soothed by cute movements? ⇒ Be soothed by the playful movements of the ducks. - Want to play without worrying about data usage? ⇒ You can play even in airplane mode! Duck's Island - Ducks and wild ducks are different!! - Ducks and wild ducks are the same? I won't accept that! - Challenge the wild duck-inhabited island and defeat the boss! Defeat the final boss to earn rewards. As you challenge higher levels, they get stronger! - Wild ducks are tough. Strengthen your ducks with power-ups! The Duck Choice System always forces you to choose from three options. Your choice is the key to victory! (Don't worry, the weapon is a water gun.) - Add a touch of relaxation to your home screen with miniatures Place the rewards (miniature) you bring home on your island to create a relaxing space. Be soothed by the sight of ducks relaxing on the miniature island. Will you be able to claim the title of Number One Duck?!
Screenshots
Verdict
The clearest difference is in-app purchases: 石臼 at none against Duck's Island's 4. 石臼 also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads 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. Duck's Island sells 4 one-off in-app purchases. 石臼 asks for nothing beyond the download.
石臼 ships an update every 5 weeks, Duck's Island every 2 months. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.
| Parameter | 石臼 | Duck's Island |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (3 ratings) — better |
| Positive reviews | — | 93.3% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 124 MB | 126 MB |
| Age rating | 4+ | 4+ |
| Developer | Hirokazu Oshimo | new game style |
In-app purchases
石臼
No in-app purchases
Duck's Island
- Unlock levels 6 and above$1.99
- Expand the home$1.99
- Owned widgets 99$1.99
Show 1 moreShow fewer
- Four companions$1.99
