# Plan B Schule vs Horarium

The clearest difference is update cadence: Horarium at every 3 days against Plan B Schule's fortnightly. Plan B Schule's advantage is iOS requirement (16.4 vs 26.0). 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.

Plan B Schule ships an update fortnightly, Horarium every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Plan B Schule | Horarium |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free |
| Size | 61 MB | 12 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Wahle](https://appshunter.io/developer/1072756072) | [Berenike Krause](https://appshunter.io/developer/1831456925) |

## What reviewers say

### Plan B Schule

[App page](https://appshunter.io/ios/app/plan-b-schule/id6444498410)

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

**In-app purchases:** none


### Horarium

[App page](https://appshunter.io/ios/app/horarium-timetable-for-untis/id6758463532)

Organize your school schedule with this modern timetable app. It syncs automatically with Untis and WebUntis, highlighting changes and allowing you to manage homework and absences. Customize your view and receive timely notifications.

**Highlights:** Automatic Untis/WebUntis sync, Real-time substitution and cancellation alerts, Integrated homework planner, Customizable timetable views, Home screen widgets, Color-coded subject customization, Absence tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Plan B Schule free?

Plan B Schule is free to download, with no in-app purchases.

### Is Horarium free?

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

### Do Plan B Schule or Horarium have ads?

Neither Plan B Schule nor Horarium shows ads.

### Which is updated more often, Plan B Schule or Horarium?

Plan B Schule ships an update fortnightly, and Horarium every 3 days. Most recently, Plan B Schule was updated on October 24, 2026 and Horarium on October 25, 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.*