# Invader Sisters vs BecameKappa

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | Invader Sisters | BecameKappa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (34 ratings)](https://appshunter.io/ios/app/becamekappa/id1065436461/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | — | 81.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 19 months |
| Monetization | — | Ad-supported |
| Size | 19 MB | 78 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [ERX](https://appshunter.io/developer/513941286) | [OMOSHIRO KAKUMEI CAPSULE PLUS, K.K.](https://appshunter.io/developer/342689348) |

## What reviewers say

### Invader Sisters

[App page](https://appshunter.io/ios/app/invader-sisters/id939103577)

**Features:** macOS Compatibility

**In-app purchases:** none


### BecameKappa

[App page](https://appshunter.io/ios/app/becamekappa/id1065436461)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*