Comparison

Invader Sisters vs BecameKappa

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

Head to head
About

Invader Sisters

Features
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Aim the high score to defeat the enemy invaders! Anyone can play easily, it is a shooting game.

About

BecameKappa

A casual raising simulation game where you nurture a creature by feeding it and helping it grow. Discover multiple endings and enjoy a story that changes on subsequent playthroughs. Perfect for quick gaming sessions.

Highlights
  • Nurture and raise a monster
  • Feed cucumbers to help growth
  • Discover 4 different endings
  • Story changes on second playthrough
  • Casual gameplay for spare time
  • Mutations based on index
Features
Read full description

=== A Heart-Stirring Raising Game === From the team behind “Raise a Japanese Doll”, comes a brand-new series. ■ Description ■ This is a game where you raise me! Feed me cucumbers and help me grow fast. There are 4 different endings (with more to come in future updates). A casual game you can enjoy in your spare time. ■ Recommended Points ■ -Evolve quickly and smoothly -Enjoy multiple endings -On the second playthrough and beyond, the story changes ■ Hints ■ [About Mutations] I mutate based on my mutation index. [About Cucumbers (Food)] -They regenerate every 5 minutes -If you’re impatient, taking care of me helps them grow faster -Sometimes, cucumbers arrive from Mom (Mamazon)

Screenshots

Invader Sisters4 screens
BecameKappa4 screens

Verdict

The call

The clearest difference is update cadence: Invader Sisters at every 2 weeks against BecameKappa's every 19 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Invader Sisters ships an update every 2 weeks, BecameKappa every 19 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Invader Sisters versus BecameKappa: the parameters behind the verdict, then further details
ParameterInvader SistersBecameKappa
PriceFreeFree
Rating—4.7 (34 ratings) — better
Positive reviews—81.0% of reviews
Number of ratings—34 — better
Update frequencyEvery 2 weeks — betterEvery 19 months
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.012.0
Further details — not scored
Size19 MB78 MB
Age rating4+12+
DeveloperERXOMOSHIRO KAKUMEI CAPSULE PLUS, K.K.

In-app purchases

None

Invader Sisters

No in-app purchases

None

BecameKappa

No in-app purchases

Questions

Is Invader Sisters free?
Invader Sisters is free to download, with no in-app purchases.
Is BecameKappa free?
BecameKappa is free to download, with no in-app purchases.
Do Invader Sisters or BecameKappa have ads?
Both Invader Sisters and BecameKappa show ads.
Which is updated more often, Invader Sisters or BecameKappa?
Invader Sisters ships an update every 2 weeks, and BecameKappa every 19 months. Most recently, Invader Sisters was updated on October 5, 2026 and BecameKappa on October 24, 2026.

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