# System Kart Gwarancyjnych vs Sterbox e

System Kart Gwarancyjnych and Sterbox e are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | System Kart Gwarancyjnych | Sterbox e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 15 MB | 18 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BDR Thermea Poland Sp. z o.o.](https://appshunter.io/developer/1599662353) | [Piotr Modrzejewski](https://appshunter.io/developer/993492579) |

## What reviewers say

### System Kart Gwarancyjnych

[App page](https://appshunter.io/ios/app/system-kart-gwarancyjnych/id1599662351)

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

**In-app purchases:** none


### Sterbox e

[App page](https://appshunter.io/ios/app/sterbox-e-pilot/id6466743263)

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

**In-app purchases:** none


## Frequently asked questions

### Is System Kart Gwarancyjnych free?

System Kart Gwarancyjnych is free to download, with no in-app purchases.

### Is Sterbox e free?

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

### Do System Kart Gwarancyjnych or Sterbox e have ads?

Neither System Kart Gwarancyjnych nor Sterbox e shows ads.

### Which is updated more often, System Kart Gwarancyjnych or Sterbox e?

System Kart Gwarancyjnych ships an update every 6 weeks, and Sterbox e every 6 weeks. Most recently, System Kart Gwarancyjnych was updated on October 21, 2026 and Sterbox e on October 7, 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.*