bubble for INB100 vs Sefer Hub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
bubble for INB100
Connect with your favorite idols through private messages and dedicated content. Engage in live chats, send replies, and celebrate anniversaries. Enjoy personalized communication with artists who call your name.
- Private idol messages
- Dedicated artist content
- Live chat with idols
- Reply to artist messages
- Anniversary tracking
- Multilingual chat support
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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 INB100 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] - Terms of Use: https://ba-api.dear-u.co/terms/?msgType=service&locale=EN&appGroup=INB100 - Privacy Policy: https://ba-api.dear-u.co/terms/?msgType=privacyPolicy&locale=EN&appGroup=INB100 [Information] - Questions/Suggestions: help_INB100@dear-u.co
Sefer Hub
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Secure one-to-one messaging with multiple profiles in a single account. Create Personal, Professional, and Organization profiles and easily switch between them depending on how you want to communicate. • One account with multiple profiles • Secure one-to-one conversations • Personal, Professional & Organization profiles • Email and TOTP two-factor authentication (2FA) • Simple and security-focused experience One account. Multiple profiles. Secure communication.
Screenshots
Verdict
The clearest difference is in-app purchases: Sefer Hub at none against bubble for INB100's 8. bubble for INB100's advantage is iOS requirement (13.0 vs 15.0). On price, ads 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. bubble for INB100 sells 8 in-app purchases, starting at $4.49 per month. Sefer Hub asks for nothing beyond the download.
| Parameter | bubble for INB100 | Sefer Hub |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (66 ratings) — better | — |
| Positive reviews | 94.3% of reviews | — |
| Number of ratings | 66 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 61 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Dear U Co., Ltd. | HOPEUP TECH INC. |
In-app purchases
bubble for INB100
- BAEKHYUN Ticket$4.491 Month
- XIUMIN Ticket$4.491 Month
- CHEN Ticket$4.491 Month
- 100 Coins$0.99
- 500 Coins$4.99
- 1000 Coins$9.99
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- 3000 Coins$27.99
- 5000 Coins$45.99
Sefer Hub
No in-app purchases









