# Vertretungsplan.app vs Fish Identifier

The clearest difference is in-app purchases: Fish Identifier at none against Vertretungsplan.app's 1. Fish Identifier also leads on update cadence (weekly vs every 2 months). Vertretungsplan.app's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Vertretungsplan.app sells 1 one-off in-app purchase. Fish Identifier asks for nothing beyond the download.

Vertretungsplan.app ships an update every 2 months, Fish Identifier weekly. The most recent releases landed on October 18, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Vertretungsplan.app | Fish Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 58.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 19 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TK-Schulsoftware GmbH & Co. KG](https://appshunter.io/developer/1481558812) | [Ebubekir Sezer](https://appshunter.io/developer/1648044330) |

## What reviewers say

### Vertretungsplan.app

[App page](https://appshunter.io/ios/app/vertretungsplanapp/id1191463720)

Access school substitute plans for many German and Austrian schools on your iPhone or iPad. Receive instant notifications for changes to your chosen class. An optional Pro version offers advanced features like multiple class support and ad removal.

**Highlights:** Access substitute plans for German/Austrian schools, Automatic notifications for class changes, Support for multiple classes (Pro), View teacher substitute plans (Pro), Customizable entry colors (Pro), Smart assistant integration (Pro)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vertretungsplan Pro | $1.99 | one-time |


### Fish Identifier

[App page](https://appshunter.io/ios/app/fish-identifier-nemo/id6801100536)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vertretungsplan.app free?

Vertretungsplan.app is free to download, with in-app purchases available.

### Is Fish Identifier free?

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

### Do Vertretungsplan.app or Fish Identifier have ads?

Neither Vertretungsplan.app nor Fish Identifier shows ads.

### Which is updated more often, Vertretungsplan.app or Fish Identifier?

Vertretungsplan.app ships an update every 2 months, and Fish Identifier weekly. Most recently, Vertretungsplan.app was updated on October 18, 2026 and Fish Identifier on September 30, 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.*