コインスイーパー vs Flat
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
コインスイーパー
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日本の硬貨（コイン）を使ってマインスイーパー！ パネルに隠れたコインを避けながら、ヒントをもとにすべてのパネルを開けましょう！ コインは1円から500円までの6種類！ 難易度は3種類（9x9、16x16、25x25）あります。 単純なようで結構難しいので、頭の体操にもどうぞ。 ■ルール ・出てくる数値は周囲のコインの合計値です。 例）1円玉と5円玉があれば「６」 ■こんな人にオススメ！ ・マインスイーパーが好きな人 ・定番に飽きてしまった人
Flat
A minimalist 3D puzzle game where players move cubes into black holes to flatten the board. It offers 50 stages with increasing complexity and intuitive swipe controls for an immersive experience.
- 3D puzzle gameplay
- Minimalist design
- 50 challenging stages
- Intuitive swipe controls
- Progressive mechanics
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Flat is a 3D puzzle game where you slide cubes to make the board flat. ■ How to Play Swipe to slide the cubes into the holes on the board. Fill every hole to make the board flat and clear the stage. ■ 50 Stages As you progress, new gimmicks appear: one-way tiles, switches, breakable cubes, splitting tiles and more. ■ Daily Stage A new stage is added every day. You can also play past days from the calendar. ■ Show Answer If you get stuck, the solution plays automatically so you can see how to solve it. ■ Share When you clear a daily stage, you can share an image of the board and your move count.
Screenshots
Verdict
The clearest difference is update cadence: Flat at every 2 weeks against コインスイーパー's every 6 weeks. コインスイーパー's advantage is iOS requirement (14.0 vs 18.0). 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.
コインスイーパー ships an update every 6 weeks, Flat every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | コインスイーパー | Flat |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 100 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | be-style | masanao matsui |
In-app purchases
コインスイーパー
No in-app purchases
Flat
No in-app purchases
