# Z vs Contguard

The clearest difference is update cadence: Contguard at every 4 weeks against Z's every 5 months. Contguard also leads on device support (3 vs 1). On price, ads, in-app purchases 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.

Z ships an update every 5 months, Contguard every 4 weeks. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Z | Contguard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Size | 43 MB | 31 MB |
| Requires iOS | 16.2 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zen USA INC](https://appshunter.io/developer/1564187521) | [Contguard LTD](https://appshunter.io/developer/1653597914) |

## What reviewers say

### Z

[App page](https://appshunter.io/ios/app/z-envio/id1564187519)

**Features:** Apple Wallet

**In-app purchases:** none


### Contguard

[App page](https://appshunter.io/ios/app/contguard/id6444288011)

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

**In-app purchases:** none


## Frequently asked questions

### Is Z free?

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

### Is Contguard free?

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

### Do Z or Contguard have ads?

Neither Z nor Contguard shows ads.

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

Z ships an update every 5 months, and Contguard every 4 weeks. Most recently, Z was updated on October 2, 2026 and Contguard on October 16, 2026.

---

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