# E vs Knott Service App

The clearest difference is review sentiment: Knott Service App at 73% against E's 25%. Knott Service App also leads on monetization model (free vs ad-supported). E's advantage is update cadence (every 3 weeks vs every 2 months). 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.

E ships an update every 3 weeks, Knott Service App every 2 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | E | Knott Service App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | **72.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 231 MB | 55 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [E-Trailer B.V.](https://appshunter.io/developer/1193223143) | [KNOTT GmbH](https://appshunter.io/developer/1386062863) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-trailer/id1193223144)

Monitor your caravan or motorhome's vital systems from your smartphone. Receive real-time alerts for tire pressure, water levels, and more to ensure a safer and more relaxed camping trip.

**Highlights:** Tire pressure monitoring, Vehicle leveling, Water tank level alerts, Real-time system status, Bluetooth connectivity, Safety notifications

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is E free?

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

### Is Knott Service App free?

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

### Do E or Knott Service App have ads?

Neither E nor Knott Service App shows ads.

### Which is updated more often, E or Knott Service App?

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