# バイキンクリーン vs clockworks bullet hell

The clearest difference is ads: バイキンクリーン at none against clockworks bullet hell's shown. clockworks bullet hell's advantage is update cadence (every 6 weeks vs every 6 months). 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.

バイキンクリーン ships an update every 6 months, clockworks bullet hell every 6 weeks. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | バイキンクリーン | clockworks bullet hell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (5 ratings)](https://appshunter.io/ios/app/clockworks-bullet-hell/id6473272908/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | — | Ad-supported |
| Size | 96 MB | 55 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOKEN CORPORATION](https://appshunter.io/developer/485632644) | [makoto yanagisawa](https://appshunter.io/developer/1510302286) |

## What reviewers say

### バイキンクリーン

[App page](https://appshunter.io/ios/app/id1255043654)

**In-app purchases:** none


### clockworks bullet hell

[App page](https://appshunter.io/ios/app/clockworks-bullet-hell/id6473272908)

Engage in intense boss battles in this steampunk shooter. Strategically destroy dangerous turrets first to survive waves of 160 unique enemies. Unlock 12 different machines with unique abilities and item types as you progress through stages.

**Highlights:** Boss-only stages, 160 enemy types, Strategic turret destruction, 12 unlockable machines, Unique attack methods, Varying durability and speed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is バイキンクリーン free?

バイキンクリーン is free to download, with no in-app purchases.

### Is clockworks bullet hell free?

clockworks bullet hell is free to download, with no in-app purchases.

### Do バイキンクリーン or clockworks bullet hell have ads?

clockworks bullet hell shows ads; バイキンクリーン does not.

### Which is updated more often, バイキンクリーン or clockworks bullet hell?

バイキンクリーン ships an update every 6 months, and clockworks bullet hell every 6 weeks. Most recently, バイキンクリーン was updated on October 6, 2026 and clockworks bullet hell on October 9, 2026.

---

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