# Knott Service App vs HPC C Systems

The clearest difference is iOS requirement: HPC C Systems at 12.0 against Knott Service App's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Knott Service App | HPC C Systems |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 55 MB | 136 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KNOTT GmbH](https://appshunter.io/developer/1386062863) | [HPC Hydraulics](https://appshunter.io/developer/1198566615) |

## What reviewers say

### Knott Service App

[App page](https://appshunter.io/ios/app/knott-service-app/id1386239446)

This app helps users manage their trailers and access service information. It includes features like GPS dealer search, tire pressure monitoring, remote control for easydriver, and access to manuals and a shop.

**Highlights:** GPS dealer search with navigation, ETS Plus remote display, Tire pressure monitoring, Easydriver remote control, Access to manuals, Integrated shop, Sun and leveling assistance

**Features:** macOS Compatibility

**In-app purchases:** none


### HPC C Systems

[App page](https://appshunter.io/ios/app/hpc-c-systems/id1565350827)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knott Service App free?

Knott Service App is free to download, with no in-app purchases.

### Is HPC C Systems free?

HPC C Systems is free to download, with no in-app purchases.

### Do Knott Service App or HPC C Systems have ads?

Neither Knott Service App nor HPC C Systems shows ads.

### Which is updated more often, Knott Service App or HPC C Systems?

Knott Service App ships an update every 2 months, and HPC C Systems every 2 months. Most recently, Knott Service App was updated on October 3, 2026 and HPC C Systems on October 19, 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.*