Info SM vs ChatAnki/Helpful App for Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Info SM
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"Info SM" brings you the latest news about “Snow Man”. You can read the news of each member by tapping the cell on the home screen. The image on the home screen changes according to the article. This app is completely free. [Feature] - Press and hold an article to add it to your favorites. - Registered articles can be read together in the Favorites tab. - You can cancel the registration by long-pressing the article on the Favorites tab. - Favorites are saved even if you quit the app. - You can search for articles on the search tab. - You can record your activity on the Log tab.
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 update cadence: ChatAnki/Helpful App for Study at daily against Info SM's monthly. Info SM's advantage is iOS requirement (14.2 vs 16.2). 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.
Info SM ships an update monthly, ChatAnki/Helpful App for Study daily. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.
| Parameter | Info SM | ChatAnki/Helpful App for Study |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| Update frequency | Monthly | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.2 — better | 16.2 |
| Further details — not scored | ||
| Size | 8 MB | 22 MB |
| Age rating | 17+ | 4+ |
| Developer | Kenichi Kawachi | Kodai Nakade |
In-app purchases
Info SM
No in-app purchases
ChatAnki/Helpful App for Study
No in-app purchases
