구루미 캠스터디 vs bubble for ACTORS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
구루미 캠스터디
This app provides a free, focused study environment for up to four users simultaneously. Easily join or create study groups using your smartphone or PC camera. Track your study time with a built-in stopwatch to improve your habits and make learning more engaging.
- Free 4-person video study rooms
- Easy participation via smartphone or PC camera
- Study time recording with stopwatch
- Improved focus and engagement
- Public and private study group options
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[함께해서 재미있는 공부. 구루미캠스터디] 캠스터디 1위 앱! 구루미캠스터디는 집중력 높은 공부 환경을 만들어주며 언제 어디서나 자유롭게 이용이 가능합니다. 1. 무료 캠스터디 - 4명이 무료로 함께 캠스터디를 할 수 있습니다. 공개 스터디방을 통해 참여하거나 외부에서 스터디원을 모집하여 직접 운영하고 참여해보세요. 2. 쉬운 참여 방법 - 앱을 실행하여 스마트폰의 카메라로 참여하거나 노트북의 내장 카메라 또는 외장 카메라를 PC에 연결하여 구루미를 실행하면 캠스터디에 쉽게 참여할 수 있습니다. 모바일도 지원하고 PC에서도 지원합니다. 3. 나만의 공부 기록 - 스톱워치 기능으로 나의 캠스터디 공부시간을 기록할 수 있습니다. 실제 나의 순 공부시간을 체크하며 공부 습관을 개선할 수 있습니다. 4. 함께해서 재미있는 공부 - 혼자여서 외롭고 집중이 되지 않았던 공부 환경을 구루미를 시작하면 함께해서 재미있고 집중력이 향상이 된 자신을 만나볼 수 있습니다. [서비스 문의] - 궁금한 점은 앱 내 [채팅상담]을 통해 도움을 받으시거나 공식 카페에서 상세한 사용법을 만나볼 수 있습니다. - 공식 카페 : https://cafe.naver.com/goocams - 구루미 홈페이지 : https://gooroomee.com - 이메일 hello@gooroomee.com
bubble for ACTORS
Connect with your favorite idols through private messages and exclusive content. Receive everyday stories, dedicated videos, and even participate in live chats. Reply to their messages and celebrate anniversaries together.
- Private messages from idols
- Dedicated content from artists
- Live chat with idols
- Reply to idol messages
- Anniversary tracking
- In-app translation
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Make your day more special with a message like a gift from your favorite idol! Start bubble right now and don't miss out on special private messages between you and your favorite idol! -------------- [Service Overview] 01. Favorite Idol's Everyday Story Receive a special everyday message from the artist who calls your name. 02. Favorite Idol's Dedicated Content See dedicated content sent directly from artists. 03. Your favorite idol is waiting for your reply Reply to the artist with a message filled with encouragement and love. 04. Anniversary with Your Favorite Idol Today is Day 1! See the special anniversary date between you and your artist. 05. Chatting in my language Read the artist's message and send a reply in your language. [Optional Access Authority] * You may still use the app even if you do not allow optional access authority. 01. Photo Gallery Used to send and store photos and videos and to set profile pictures and chatroom background images 02. Camera Used to film and send photos and videos and to set profile pictures and chatroom background images 03. Mic Used to record and send voice messages and videos 04. Notification Receive PUSH notifications [Subscription Products] 01. bubble for ACTORS benefits - You can select artists to receive bubble messages from according to the number of artist subscription coupons you have purchased. - Receive bubbles sent directly from the artist of your choice. 02. Subscription Prices and Period - Subscribe through iTunes, and the payment amount will be billed to your iTunes account. - Prices may vary depending on the number of artist subscriptions you purchase. Please refer to the bubble purchase website for details. - Subscriptions are monthly and automatically renewed. [bubble Official SNS] - X: https://x.com/dearu_bubble - Instagram: https://instagram.com/dearu_bubble [Terms] 01. Terms of Use https://ba-api.dear-u.co/terms/?msgType=service&locale=EN&appGroup=ACTORS 02. Privacy Policy https://ba-api.dear-u.co/terms/?msgType=privacyPolicy&locale=EN&appGroup=ACTORS [Information] - Questions/Suggestions: help_actors@dear-u.co
Screenshots
Verdict
The clearest difference is rating: bubble for ACTORS at 4.0 against 구루미 캠스터디's 1.0. bubble for ACTORS also leads on review sentiment (52% vs 18%) and ratings volume (4 vs 1). 구루미 캠스터디's advantage is in-app purchases (none vs 37). On price, update cadence, ads and monetization model 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. bubble for ACTORS sells 33 in-app purchases, starting at $0.69 per month. 구루미 캠스터디 asks for nothing beyond the download.
bubble for ACTORS holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 18% of 구루미 캠스터디's written reviews are positive against 52% of bubble for ACTORS's.
구루미 캠스터디 ships an update every 5 weeks, bubble for ACTORS every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | 구루미 캠스터디 | bubble for ACTORS |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.0 (4 ratings) — better |
| Positive reviews | 18.5% of reviews | 51.9% of reviews — better |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.3 | 13.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | gooroomee Co., Ltd | Dear U Co., Ltd. |
Customer experience
구루미 캠스터디
bubble for ACTORS
In-app purchases
구루미 캠스터디
No in-app purchases
bubble for ACTORS
- bubble FONT HYERI$0.691 Month
- SHIN YE EUN Ticket$3.991 Month
- Kim Kangmin Ticket$3.991 Month
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- Jeong TaekHyeon Ticket$3.991 Month
- JUNG CHAE YEON Ticket$3.991 Month
- LEE SANG YI Ticket$3.991 Month
- AHN HEE YEON Ticket$3.991 Month
- Lee Joo Young Ticket$3.991 Month
- BAE HYEON SEONG Ticket$3.991 Month
- LEE SEUNG GYU Ticket$3.991 Month
- SEOYEAJI Ticket$3.991 Month
- Lee HyunWook Ticket$3.991 Month
- SONG DONGGEON Ticket$3.991 Month
- Ko Kyoung Pyo Ticket$3.991 Month
- Lee Jong Hyuk Ticket$3.991 Month
- YEON WOO Ticket$3.991 Month
- PARK KANG HYUN Ticket$4.491 Month
- Kim Jaewon Ticket$4.491 Month
- NANA Ticket$4.491 Month
- Ahn Bohyun Ticket$4.491 Month
- Danny Ahn Ticket$4.491 Month
- Jang Gyu ri Ticket$4.491 Month
- KIM MIN KYU Ticket$4.491 Month
- MOON SANG MIN Ticket$4.491 Month
- HYERI Ticket$4.491 Month
- CHUNG SUBIN Ticket$4.491 Month
- LEE JUNHO Ticket$4.491 Month
- JEON SOMIN Ticket$4.491 Month
- SEO HYUN Ticket$4.491 Month
- LEE SAE ROM Ticket$4.491 Month
- LEE LU DA Ticket$4.491 Month
- SONG GEON HEE Ticket$4.491 Month
- 100 Coin$0.99
