回転してるのな〜んだ？ vs ChatAnki/Helpful App for Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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！
ChatAnki/Helpful App for Study
Create custom study materials with a personalized character that quizzes you. Import question data from your computer for efficient learning management. Set test parameters like question count and time limits.
- Character creation
- Custom question/answer creation
- Character-led quizzing
- Folder organization for questions
- CSV file import for questions
- Adjustable test settings
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【Features】 ・Character Creation You can freely set the image and name of your character. Create your favorite character. ・Create questions This application allows you to create your own questions/answers. You can manage the questions you created by dividing them into folders. ・Character will ask you questions Your favorite character will ask you the questions you created. You can also set the character's lines when you answer a question correctly, when you answer incorrectly, and when the test is over. ・Question data can be created on a computer! You can download template csv files from the app and edit them on your computer. Import the created csv file from the app to save the question data in the existing question folder. 【Other Settings】 The number of questions and time limit can be set for the test.
Screenshots
Verdict
The clearest difference is review sentiment: ChatAnki/Helpful App for Study at 50% against 回転してるのな〜んだ？'s 0%. ChatAnki/Helpful App for Study also leads on update cadence (daily vs weekly). 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.
回転してるのな〜んだ？ ships an update weekly, ChatAnki/Helpful App for Study daily. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.
| Parameter | 回転してるのな〜んだ？ | ChatAnki/Helpful App for Study |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Update frequency | Weekly | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.2 — better | 16.2 |
| Further details — not scored | ||
| Size | 39 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Toshiyuki Susa | Kodai Nakade |
Customer experience
回転してるのな〜んだ？
ChatAnki/Helpful App for Study
In-app purchases
回転してるのな〜んだ？
No in-app purchases
ChatAnki/Helpful App for Study
No in-app purchases
Questions
Is 回転してるのな〜んだ？ free?
Is ChatAnki/Helpful App for Study free?
Do 回転してるのな〜んだ？ or ChatAnki/Helpful App for Study have ads?
Which is updated more often, 回転してるのな〜んだ？ or ChatAnki/Helpful App for Study?
Other comparisons
