# Roltens® vs Schadek

Roltens® and Schadek 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.

Roltens® ships an update every 4 months, Schadek every 6 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Roltens® | Schadek |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 73 MB | 23 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Roltens](https://appshunter.io/developer/1501735768) | [Metalurgica Schadek Ltda](https://appshunter.io/developer/1498765695) |

## What reviewers say

### Roltens®

[App page](https://appshunter.io/ios/app/roltens-catalog/id1501735769)

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

**In-app purchases:** none


### Schadek

[App page](https://appshunter.io/ios/app/schadek-catalogo-eletronico/id1587960658)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Roltens® free?

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

### Is Schadek free?

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

### Do Roltens® or Schadek have ads?

Neither Roltens® nor Schadek shows ads.

### Which is updated more often, Roltens® or Schadek?

Roltens® ships an update every 4 months, and Schadek every 6 months. Most recently, Roltens® was updated on November 3, 2026 and Schadek 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.*