# IKOU vs zombi ~とにかく生き残れ~

The clearest difference is ads: IKOU at none against zombi ~とにかく生き残れ~'s shown. zombi ~とにかく生き残れ~'s advantage is update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

IKOU ships an update weekly, zombi ~とにかく生き残れ~ every 2 days. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | IKOU | zombi ~とにかく生き残れ~ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 260 MB | 429 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [YSREADINGINC.](https://appshunter.io/developer/1531436506) | [Koki Nakanishi](https://appshunter.io/developer/1620502165) |

## What reviewers say

### IKOU

[App page](https://appshunter.io/ios/app/ikou/id1619040295)

**Features:** macOS Compatibility

**In-app purchases:** none


### zombi ~とにかく生き残れ~

[App page](https://appshunter.io/ios/app/zombi/id1622768462)

Engage in an unprecedented zombie shooting game where you earn points by defeating enemies to enhance your character. Wield over six distinct weapons and survive intense battles against increasingly powerful zombies and formidable bosses.

**Highlights:** Defeat enemies to earn points, Upgrade your character, Wield over six weapons, Battle increasingly strong zombies, Face off against凶悪なボス達 (fierce bosses)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IKOU free?

IKOU is free to download, with no in-app purchases.

### Is zombi ~とにかく生き残れ~ free?

zombi ~とにかく生き残れ~ is free to download, with no in-app purchases.

### Do IKOU or zombi ~とにかく生き残れ~ have ads?

zombi ~とにかく生き残れ~ shows ads; IKOU does not.

### Which is updated more often, IKOU or zombi ~とにかく生き残れ~?

IKOU ships an update weekly, and zombi ~とにかく生き残れ~ every 2 days. Most recently, IKOU was updated on October 27, 2026 and zombi ~とにかく生き残れ~ on October 10, 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.*