# ZÚ HZS ČR vs SILVANUS

The clearest difference is update cadence: SILVANUS at every 5 weeks against ZÚ HZS ČR's every 7 months. ZÚ HZS ČR's advantage is iOS requirement (8.0 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.

ZÚ HZS ČR ships an update every 7 months, SILVANUS every 5 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ZÚ HZS ČR | SILVANUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Size | 60 MB | 83 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rolling Mobile](https://appshunter.io/developer/516068003) | [Massive Dynamic Sweden AB](https://appshunter.io/developer/1726925739) |

## What reviewers say

### ZÚ HZS ČR

[App page](https://appshunter.io/ios/app/zu-hzs-cr/id1363065117)

**In-app purchases:** none


### SILVANUS

[App page](https://appshunter.io/ios/app/silvanus/id6483808614)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZÚ HZS ČR free?

ZÚ HZS ČR is free to download, with no in-app purchases.

### Is SILVANUS free?

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

### Do ZÚ HZS ČR or SILVANUS have ads?

Neither ZÚ HZS ČR nor SILVANUS shows ads.

### Which is updated more often, ZÚ HZS ČR or SILVANUS?

ZÚ HZS ČR ships an update every 7 months, and SILVANUS every 5 weeks. Most recently, ZÚ HZS ČR was updated on October 10, 2026 and SILVANUS on October 6, 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.*