# Z vs Altilia

The clearest difference is update cadence: Z at fortnightly against Altilia's every 8 months. Z also leads on iOS requirement (11.0 vs 13.0). 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.

Z ships an update fortnightly, Altilia every 8 months. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Z | Altilia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 8 months |
| Size | 38 MB | 191 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Zhongrui Green Energy Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1549908840) | [Altilia Nederland](https://appshunter.io/developer/1806026151) |

## What reviewers say

### Z

[App page](https://appshunter.io/ios/app/z-cloud/id6444879748)

**Features:** macOS Compatibility

**In-app purchases:** none


### Altilia

[App page](https://appshunter.io/ios/app/altilia/id6744093469)

**In-app purchases:** none


## Frequently asked questions

### Is Z free?

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

### Is Altilia free?

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

### Do Z or Altilia have ads?

Neither Z nor Altilia shows ads.

### Which is updated more often, Z or Altilia?

Z ships an update fortnightly, and Altilia every 8 months. Most recently, Z was updated on September 15, 2026 and Altilia on September 9, 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.*