# WertheApp — Interactive Algorithm Learning

> Interactive Algorithm Learning (iPhone/iPad app by APE Innovation GmbH.)

- Source: https://appshunter.io/ios/app/wertheapp/id1492113063 (this page in markdown: same URL + `.md`)
- Developer: [APE Innovation GmbH](https://appshunter.io/developer/1643015303)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 12.5.6 · 56 MB
- Released: 2019-12-20
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/wertheapp/id1492113063/reviews.md

## What is WertheApp?

Pass your exams in Operating Systems and Computer Networks at Aalen University with the WertheApp from Professor Dr. Werthebach!
The following algorithms are currently included in the WertheApp

Operating Systems:
*Allocation Strategies
-First Fit
-Next Fit
-Best Fit
-Worst Fit
-Combined Fit
*Buddy System
*Page Replacement Strategies
-Optimal Strategy
-First-in First-out
-First-in First-out Second Chance
-Recently-Not-Used
-Recently-Not-Used Second Chance
*Deadlock

Computer Communication Networks:
*Congestion Control
-TCP Tahoe
-TCP Reno
*Pipeline Protocols
-Go Back N
-Selective Repeat
*Reno Fast Recovery
*Fast Retransmit
*Dijkstra
*Distance Vector Routing (NEW)


## Version history (last 5 releases)

### 1.15 — 2024-01-10

introducing Distance Vector Routing;
Page Replacement Strategies: bug fix, alert text change, settings text, check if different virtual pages exceed available RAM and disk pages;
Congestion Control: bug fix timeout button;
Buddy System: center text, changes to block size display, add size info;
Dijkstra: remove more arrows;

### 1.14 — 2022-07-18

pipeline protocols bug fix

### 1.13 — 2022-06-29

iOS version compatibility, Congestion Control  graph improvements

### 1.12 — 2022-03-05

minor bug fixes

### 1.11 — 2021-10-14

WertheApp and Friends, minor UI changes, Help page improvements

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*