# Osiris Scalda vs MijnLesrooster

The clearest difference is update cadence: MijnLesrooster at every 2 months against Osiris Scalda's every 6 months. Osiris Scalda's advantage is iOS requirement (11.0 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.

Osiris Scalda ships an update every 6 months, MijnLesrooster every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Osiris Scalda | MijnLesrooster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 35 MB | 2 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [CACI bv](https://appshunter.io/developer/961337312) | [bart hakkenberg](https://appshunter.io/developer/1873627859) |

## What reviewers say

### Osiris Scalda

[App page](https://appshunter.io/ios/app/osiris-scalda/id6744821591)

**Features:** macOS Compatibility

**In-app purchases:** none


### MijnLesrooster

[App page](https://appshunter.io/ios/app/mijnlesrooster/id6758559956)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Osiris Scalda free?

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

### Is MijnLesrooster free?

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

### Do Osiris Scalda or MijnLesrooster have ads?

Neither Osiris Scalda nor MijnLesrooster shows ads.

### Which is updated more often, Osiris Scalda or MijnLesrooster?

Osiris Scalda ships an update every 6 months, and MijnLesrooster every 2 months. Most recently, Osiris Scalda was updated on October 9, 2026 and MijnLesrooster on October 8, 2026.

---

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