# iSvátky vs REX Centrum bezpečí

The clearest difference is review sentiment: REX Centrum bezpečí at 80% against iSvátky's 20%. REX Centrum bezpečí also leads on in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). iSvátky's advantage is update cadence (weekly vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. iSvátky sells 1 one-off in-app purchase. REX Centrum bezpečí asks for nothing beyond the download.

iSvátky ships an update weekly, REX Centrum bezpečí every 6 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | iSvátky | REX Centrum bezpečí |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 17 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stanislav Svec](https://appshunter.io/developer/519241392) | [1. REX SERVICES, a.s.](https://appshunter.io/developer/1084232045) |

## What reviewers say

### iSvátky

[App page](https://appshunter.io/ios/app/isvatky/id1229464166)

Never forget a loved one's name day again with this app. It offers quick search, home screen widgets, and Apple Watch integration for timely reminders. You can also send pre-written messages to celebrate.

**Highlights:** Name day reminders, Quick search functionality, Home screen widgets, Apple Watch support, Predefined message sending, Dark Mode support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iSvátky - Plná verze | $0.99 | one-time |


### REX Centrum bezpečí

[App page](https://appshunter.io/ios/app/rex-centrum-bezpeci/id1530005571)

Manage all your REX devices from a single mobile application. Control security systems, track vehicles and pets, and view event history. The app provides a centralized environment for all your REX products.

**Highlights:** Arm and disarm security systems, Map view for device location, View logbook and event history, Manage device and contact settings, Billing and payment management, Supports various REX devices

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

**In-app purchases:** none


## Frequently asked questions

### Is iSvátky free?

iSvátky is free to download, with in-app purchases available.

### Is REX Centrum bezpečí free?

REX Centrum bezpečí is free to download, with no in-app purchases.

### Do iSvátky or REX Centrum bezpečí have ads?

Neither iSvátky nor REX Centrum bezpečí shows ads.

### Which is updated more often, iSvátky or REX Centrum bezpečí?

iSvátky ships an update weekly, and REX Centrum bezpečí every 6 months. Most recently, iSvátky was updated on November 2, 2026 and REX Centrum bezpečí on November 3, 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.*