Comparison

Trailer SYNC vs ECUconnect

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

By Lift Tech Marine

About

Trailer SYNC

Read full description

This App allows the user to view status from a bluetooth connected Trailer SYNC device. The state of trailer lights are displays on the main screen and a diagnostic screen displays detailed voltage and current for each light.

About

ECUconnect

Read full description

With ECUconnect, you can manage the firmware of your TPE ECUconnect OBD2 adapter and carry out various maintenance duties.

Screenshots

Trailer SYNC3 screens

ECUconnect1 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Trailer SYNC ships an update every 12 months, ECUconnect every 5 months. Both last shipped on September 17, 2026.

Scorecard2 real differences · 4 level

Trailer SYNC versus ECUconnect: the parameters behind the verdict, then further details
Parameter	Trailer SYNC	ECUconnect
Price	Free	Free
Update frequency	Every 12 months	Every 5 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	14.0 — better	18.2
Further details — not scored
Size	1 MB	13 MB
Age rating	4+	4+
Developer	Michael Fort	TPE Europe GmbH

In-app purchases

None

Trailer SYNC

No in-app purchases

None

ECUconnect

No in-app purchases

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 September 17, 2026 and ECUconnect on September 17, 2026.