Flash Roulette vs 回転してるのな〜んだ？
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash Roulette
Randomly select one of your registered cards, which can feature characters or images. Tap the screen to stop the selection process and reveal your chosen card. The game allows for quick switching between registered cards and offers an option to finish early with a long press.
- Customizable cards with images or characters
- Random card selection
- Quick card switching
- Tap to stop selection
- Long press to finish early
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This is a game in which you select one of the cards at random from among the multiple registered cards. You can register characters or images on the card. When you start the game, you can quickly switch between the cards you have registered. When you tap the screen, it stops slowly and one card is selected. You can finish in the middle by pressing and holding the screen.
回転してるのな〜んだ？
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回転しているのはな〜んだ？ よ〜く目を凝らして当ててみよう！ 新感覚クイズアプリ！ ジャンルや問題数も豊富で楽しめます。 今後のアップデートもようご期待！
Screenshots
Verdict
The clearest difference is review sentiment: Flash Roulette at 100% against 回転してるのな〜んだ？'s 0%. 回転してるのな〜んだ？'s advantage is update cadence (weekly vs every 5 months). 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.
Flash Roulette ships an update every 5 months, 回転してるのな〜んだ？ weekly. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.
| Parameter | Flash Roulette | 回転してるのな〜んだ？ |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Update frequency | Every 5 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 20 MB | 39 MB |
| Age rating | 12+ | 4+ |
| Developer | Motoki Takahashi | Toshiyuki Susa |
Customer experience
Flash Roulette
回転してるのな〜んだ？
In-app purchases
Flash Roulette
No in-app purchases
回転してるのな〜んだ？
No in-app purchases
Questions
Is Flash Roulette free?
Is 回転してるのな〜んだ？ free?
Do Flash Roulette or 回転してるのな〜んだ？ have ads?
Which is updated more often, Flash Roulette or 回転してるのな〜んだ？?
Other comparisons
