# eWarehouse by KCS vs Slim4

The clearest difference is update cadence: Slim4 at every 3 weeks against eWarehouse by KCS's every 5 months. eWarehouse by KCS's advantage is iOS requirement (12.2 vs 17.0). 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.

eWarehouse by KCS ships an update every 5 months, Slim4 every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | eWarehouse by KCS | Slim4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 128 MB | 29 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kerridge Commercial Systems](https://appshunter.io/developer/1269486958) | [Slimstock Holding B.V.](https://appshunter.io/developer/1437251928) |

## What reviewers say

### eWarehouse by KCS

[App page](https://appshunter.io/ios/app/ewarehouse-by-kcs/id1463391772)

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

**In-app purchases:** none


### Slim4

[App page](https://appshunter.io/ios/app/slim4/id1670522589)

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

**In-app purchases:** none


## Frequently asked questions

### Is eWarehouse by KCS free?

eWarehouse by KCS is free to download, with no in-app purchases.

### Is Slim4 free?

Slim4 is free to download, with no in-app purchases.

### Do eWarehouse by KCS or Slim4 have ads?

Neither eWarehouse by KCS nor Slim4 shows ads.

### Which is updated more often, eWarehouse by KCS or Slim4?

eWarehouse by KCS ships an update every 5 months, and Slim4 every 3 weeks. Most recently, eWarehouse by KCS was updated on October 26, 2026 and Slim4 on October 24, 2026.

---

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