Comparison

bubble for STARSHIP vs Shake! Weekly Challenges

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

bubble for STARSHIP

Connect directly with your favorite idols through private messages and exclusive content. Engage in real-time chats, receive personalized updates, and celebrate special anniversaries with your chosen artists. Reply to their messages and build a unique connection.

Highlights
  • Private idol messages
  • Dedicated artist content
  • Live chat with idols
  • Reply to idol messages
  • Anniversary tracking
  • In-app language translation
Features
Read full description

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 STARSHIP 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=STARSHIP - Privacy Policy: https://ba-api.dear-u.co/terms/?msgType=privacyPolicy&locale=EN&appGroup=STARSHIP [Information] - Questions/Suggestions: help_starship@dear-u.co

About

Shake! Weekly Challenges

Features
Read full description

Shake! is a friends-only weekly challenge app built around going out, taking photos, and having fun with your circle. Each week, reveal a new challenge, submit your photos, vote on your friends’ entries, earn XP, unlock badges, and climb the weekly leaderboard. No public pressure. No random strangers. Just your friends, your photos, and a new reason to do something different each week. Features: • Weekly photo challenges • Friends-only feeds • Photo submissions with captions • Voting, XP, levels, and badges • Weekly leaderboards • In-app reporting and account deletion • Private friend circles, not public discovery Shake! is made for small friend groups who want a fun reason to explore, compete, and make memories together.

Screenshots

bubble for STARSHIP4 screens
Shake! Weekly Challenges4 screens

Verdict

The call

The clearest difference is in-app purchases: Shake! Weekly Challenges at none against bubble for STARSHIP's 10. bubble for STARSHIP's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (13.0 vs 16.4). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. bubble for STARSHIP sells 10 in-app purchases, starting at $4.49 per month. Shake! Weekly Challenges asks for nothing beyond the download.

UpkeepUpdate frequency

bubble for STARSHIP ships an update every 3 weeks, Shake! Weekly Challenges every 5 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
bubble for STARSHIP versus Shake! Weekly Challenges: the parameters behind the verdict, then further details
Parameterbubble for STARSHIPShake! Weekly Challenges
PriceFreeFree
Rating4.0 (21 ratings) — better—
Positive reviews77.1% of reviews—
Number of ratings21 — better—
Update frequencyEvery 3 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.4
Further details — not scored
Size61 MB35 MB
Age rating4+12+
DeveloperDear U Co., Ltd.Phinix Tan

In-app purchases

10 purchases

bubble for STARSHIP

Subscriptions10
  • LEE KWANGSOO Ticket$4.491 Month
  • CRAVITY 1 Ticket$4.491 Month
  • IVE 1 Ticket$4.491 Month
Show 7 more
  • MONSTA X 1 Ticket$4.491 Month
  • WJSN 1 Ticket$4.491 Month
  • LEE DONGWOOK Ticket$4.491 Month
  • CRAVITY 2 Tickets$8.491 Month
  • IVE 2 Tickets$8.491 Month
  • MONSTA X 2 Tickets$8.491 Month
  • IVE 3 Tickets$12.491 Month
None

Shake! Weekly Challenges

No in-app purchases

Questions

Is bubble for STARSHIP free?
bubble for STARSHIP is free to download, with in-app purchases available.
Is Shake! Weekly Challenges free?
Shake! Weekly Challenges is free to download, with no in-app purchases.
Do bubble for STARSHIP or Shake! Weekly Challenges have ads?
Neither bubble for STARSHIP nor Shake! Weekly Challenges shows ads.
Which is updated more often, bubble for STARSHIP or Shake! Weekly Challenges?
bubble for STARSHIP ships an update every 3 weeks, and Shake! Weekly Challenges every 5 months. Most recently, bubble for STARSHIP was updated on November 4, 2026 and Shake! Weekly Challenges on October 31, 2026.

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