# Hlídačky.sk vs SUNSYSTEM

The clearest difference is in-app purchases: SUNSYSTEM at none against Hlídačky.sk's 3. SUNSYSTEM also leads on iOS requirement (11.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hlídačky.sk sells 3 in-app purchases, starting at $3.49 per 7 days. SUNSYSTEM asks for nothing beyond the download.

Hlídačky.sk ships an update every 2 months, SUNSYSTEM monthly. The most recent releases landed on October 5, 2026 and May 28, 2026 respectively.

## The numbers

| Metric | Hlídačky.sk | SUNSYSTEM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 15 MB | 255 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hlidacky.cz s.r.o.](https://appshunter.io/developer/993737283) | [Enli s.r.o.](https://appshunter.io/developer/1067838908) |

## What reviewers say

### Hlídačky.sk

[App page](https://appshunter.io/ios/app/hlidackysk/id1452117452)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Membership | $3.49 | per 7 days |
| Membership | $4.49 | per month |
| Membership | $6.49 | per 3 months |


### SUNSYSTEM

[App page](https://appshunter.io/ios/app/sunsystem/id1479409733)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hlídačky.sk free?

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

### Is SUNSYSTEM free?

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

### Do Hlídačky.sk or SUNSYSTEM have ads?

Neither Hlídačky.sk nor SUNSYSTEM shows ads.

### Which is updated more often, Hlídačky.sk or SUNSYSTEM?

Hlídačky.sk ships an update every 2 months, and SUNSYSTEM monthly. Most recently, Hlídačky.sk was updated on October 5, 2026 and SUNSYSTEM on May 28, 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.*