Comparison

Bubbles in Space vs Kaiju Rush

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

Head to head
About

Bubbles in Space

Features
Read full description

Fun game, standalone version. finger touch to move bubble around screen and avoid mines and spaceships. Score increases when bubbles are popped and enemy is shot.

About

Kaiju Rush

Control giant monsters to smash cities with simple one-tap gameplay. Upgrade your monsters to improve distance, unlock new creatures, and discover more buildings. Enjoy fun, destructive action.

Highlights
  • One-tap controls
  • Variety of Kaiju creatures
  • Monster upgrades
  • Improve distance
  • Unlock new monsters
  • Smash buildings
Features
Read full description

Ready, aim, and SMASH cities in Kaiju Rush! Select your favorite Kaiju monster and simply tap to bash buildings to bits and pieces. Don't forget to upgrade monsters and improve your distance. Get further to discover more buildings and to unlock more Kaiju monsters. Features: * Simple one-tap controls * A variety of Kaiju creatures * Upgrade to improve your distance * Super fun gameplay --- SUBSCRIPTION PRICING AND TERMS VIP MEMBERSHIP offers a weekly subscription, you will have a 3-days FREE trial period, after this period you will be charged $6.99. After buying this subscription you will unlock all VIP Aircraft, get 20 gems every day, get 100 coins every day, and removes forced ads. This is an Auto-renewable subscription. The payment is charged to your account after confirmation. The subscription is renewed unless you turn it off 24 hours before the period ends. Your account will be charged for renewal as well. End of trial and subscription renewal: • This price is for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. • Payment will also be charged to iTunes account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours prior to the end of the current period. • The account will be charged for renewal within 24 hours prior to the end of the current period and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Any unused portion of the free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Canceling trial or subscription: You can turn off the auto-renew for the subscription whenever you want to through iTunes account. Check https://support.apple.com/HT202039. When your current trial/subscription period expires, you will be unsubscribed. The current active subscription period cannot be canceled. After your subscription expires, you will no longer be able to use elements offered in your chosen Subscription Option. If you have any questions or comments, feel free to contact us at support@lucky-kat.com Privacy Policy: https://www.lucky-kat.com/games-privacy-notice/ Terms of use: https://www.lucky-kat.com/terms-of-use/

Screenshots

Bubbles in Space4 screens
Kaiju Rush4 screens

Verdict

The call

The clearest difference is in-app purchases: Bubbles in Space at none against Kaiju Rush's 5. Bubbles in Space also leads on ads (none vs shown). Kaiju Rush's advantage is update cadence (every 2 weeks vs every 22 months) and iOS requirement (15.6 vs 18.2). On price 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. Kaiju Rush sells 5 in-app purchases, starting at $7.99 per 7 days. Bubbles in Space asks for nothing beyond the download.

UpkeepUpdate frequency

Bubbles in Space ships an update every 22 months, Kaiju Rush every 2 weeks. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level
Bubbles in Space versus Kaiju Rush: the parameters behind the verdict, then further details
ParameterBubbles in SpaceKaiju Rush
PriceFreeFree
Rating—4.4 (13K ratings) — better
Positive reviews—25.3% of reviews
Number of ratings—13K — better
Update frequencyEvery 22 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.215.6 — better
Further details — not scored
Size3 MB86 MB
Age rating4+9+
DeveloperHuge Holdings LtdLucky Kat Studios

Bugs and requests

Bubbles in Space

Not enough reviews yet to summarise bugs or requests.

Kaiju Rush

Reported bugs

4 issues
  • Kaiju getting stuck in infinite bouncing loop
  • Inability to select or hatch new Kaiju
  • Freezing and crashing during gameplay
  • Offline earnings not updating correctly

Requested features

4 requests
  • More unique Kaiju abilities and animations
  • Improved offline progress tracking
  • Reduced ad frequency and optional ad-free mode
  • Better progression system and content unlocks

In-app purchases

None

Bubbles in Space

No in-app purchases

5 purchases

Kaiju Rush

Subscriptions1
  • King Kaiju Subscription3 Days trial$7.997 Days
One-time4
  • Gem Pack 1$1.99
  • No Ads$2.99
  • Gem Pack 2$4.99
Show 1 more
  • Gem Pack 3$11.99

Questions

Is Bubbles in Space free?
Bubbles in Space is free to download, with no in-app purchases.
Is Kaiju Rush free?
Kaiju Rush is free to download, with in-app purchases available.
Do Bubbles in Space or Kaiju Rush have ads?
Kaiju Rush shows ads; Bubbles in Space does not.
Which is updated more often, Bubbles in Space or Kaiju Rush?
Bubbles in Space ships an update every 22 months, and Kaiju Rush every 2 weeks. Most recently, Bubbles in Space was updated on October 5, 2026 and Kaiju Rush on October 21, 2026.

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