Trailer SYNC vs smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trailer SYNC
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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.
smart
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This application can be connected to the trailer module as shown in the attached video via Bluetooth. It can control the trailer module to brake, can adjust the brake parameters, can alert the user when the trailer fails, and can detect the wiring problems of the trailer harness.The trailer module does not have any safety risks and will not cause trouble to users.
Screenshots
Verdict
The clearest difference is update cadence: smart at monthly against Trailer SYNC's every 12 months. smart also leads on iOS requirement (11.0 vs 14.0). 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
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, smart monthly. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.
| Parameter | Trailer SYNC | smart |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 18 MB |
| Age rating | 4+ | 17+ |
| Developer | Michael Fort | QI Automotive Co.,Ltd |
In-app purchases
Trailer SYNC
No in-app purchases
smart
No in-app purchases
