# Schaknat vs Jupiter WCS

The clearest difference is update cadence: Schaknat at every 8 days against Jupiter WCS's every 3 weeks. Jupiter WCS's advantage is iOS requirement (13.0 vs 27.0). 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.

Schaknat ships an update every 8 days, Jupiter WCS every 3 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Schaknat | Jupiter WCS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 17 MB | 51 MB |
| Requires iOS | 27.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TPE Europe GmbH](https://appshunter.io/developer/1561470951) | [Florian Vels](https://appshunter.io/developer/1398124957) |

## What reviewers say

### Schaknat

[App page](https://appshunter.io/ios/app/schaknat/id1588399591)

**In-app purchases:** none


### Jupiter WCS

[App page](https://appshunter.io/ios/app/jupiter-wcs/id6471469351)

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

**In-app purchases:** none


## Frequently asked questions

### Is Schaknat free?

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

### Is Jupiter WCS free?

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

### Do Schaknat or Jupiter WCS have ads?

Neither Schaknat nor Jupiter WCS shows ads.

### Which is updated more often, Schaknat or Jupiter WCS?

Schaknat ships an update every 8 days, and Jupiter WCS every 3 weeks. Most recently, Schaknat was updated on October 30, 2026 and Jupiter WCS on October 24, 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.*