Info KP vs ○× Buzzer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Info KP
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"Info KP" brings you the latest news about your favorite pop idol. From the home screen, you can read the news of the group and each member. In the "Log" tab, you can leave memories with your favorite members! This app is completely free. [Feature] - You can read the news for each group and each member. - Press and hold an article to add it to your favorites. - Articles registered as favorites can be read together on the "Favorites" tab. - Favorites are saved even if you quit the app. - You can search for articles on the "Search" tab. - In the "Log" tab, you can leave memories with your favorite members!
○× Buzzer
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"○× Buzzer" is an app that displays a correct "○" and makes a "ping pong" sound, and displays an incorrect "×" and makes a "beep" sound. It can also be controlled using your Apple Watch.
Screenshots
Verdict
The clearest difference is update cadence: ○× Buzzer at weekly against Info KP's monthly. ○× Buzzer also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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 KP ships an update monthly, ○× Buzzer weekly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | Info KP | ○× Buzzer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 14.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 10 MB |
| Age rating | 17+ | 4+ |
| Developer | Kenichi Kawachi | Legal Prompt Inc. |
In-app purchases
Info KP
No in-app purchases
○× Buzzer
No in-app purchases
