# プロセス・ディフェンス vs SPHERE

The clearest difference is update cadence: プロセス・ディフェンス at weekly against SPHERE's every 4 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.

プロセス・ディフェンス ships an update weekly, SPHERE every 4 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | プロセス・ディフェンス | SPHERE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Size | 81 MB | 154 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chikai Ito](https://appshunter.io/developer/1480561746) | [Tomoki Fukushima](https://appshunter.io/developer/1777185003) |

## What reviewers say

### プロセス・ディフェンス

[App page](https://appshunter.io/ios/app/id1592811050)

**Features:** macOS Compatibility

**In-app purchases:** none


### SPHERE

[App page](https://appshunter.io/ios/app/sphere-defense/id6737588413)

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

**In-app purchases:** none


## Frequently asked questions

### Is プロセス・ディフェンス free?

プロセス・ディフェンス is free to download, with no in-app purchases.

### Is SPHERE free?

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

### Do プロセス・ディフェンス or SPHERE have ads?

Both プロセス・ディフェンス and SPHERE show ads.

### Which is updated more often, プロセス・ディフェンス or SPHERE?

プロセス・ディフェンス ships an update weekly, and SPHERE every 4 months. Most recently, プロセス・ディフェンス was updated on October 27, 2026 and SPHERE on October 25, 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.*