# Trailer SYNC vs ECUconnect

The clearest difference is update cadence: ECUconnect at every 5 months against Trailer SYNC's every 12 months. Trailer SYNC's advantage is iOS requirement (14.0 vs 18.2). 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.

Trailer SYNC ships an update every 12 months, ECUconnect every 5 months. The most recent releases landed on October 4, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Trailer SYNC | ECUconnect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 months** |
| Size | 1 MB | 13 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Fort](https://appshunter.io/developer/1330023385) | [TPE Europe GmbH](https://appshunter.io/developer/1561470951) |

## What reviewers say

### Trailer SYNC

[App page](https://appshunter.io/ios/app/trailer-sync/id1643608907)

**In-app purchases:** none


### ECUconnect

[App page](https://appshunter.io/ios/app/ecuconnect/id6502191237)

**In-app purchases:** none


## Frequently asked questions

### Is Trailer SYNC free?

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

### Is ECUconnect free?

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

### Do Trailer SYNC or ECUconnect have ads?

Neither Trailer SYNC nor ECUconnect shows ads.

### Which is updated more often, Trailer SYNC or ECUconnect?

Trailer SYNC ships an update every 12 months, and ECUconnect every 5 months. Most recently, Trailer SYNC was updated on October 4, 2026 and ECUconnect on September 17, 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.*