Bluetooth Trailer Tester vs Trailer SYNC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bluetooth Trailer Tester
Test your trailer's electrical system remotely from your truck's cab. This app allows a single user to check running lights, brake lights, reverse lights, turn signals, and trailer brake connections. It is compatible with most smart devices and can test intelligent trailer modules.
- Remote trailer light testing
- Single-person operation
- Tests all trailer lights
- Compatible with smart devices
- Tests intelligent trailer modules
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The SteelMan Pro Bluetooth Trailer tester allows you to test your trailer hitch electrical connector from the cab of your truck. The SteelMan Pro Bluetooth Trailer Tester allows you to test running lights, brake lights, reverse lights, turn signals and trailer brake link. The SteelMan Pro Bluetooth Trailer Tester also allows you to test intelligent trailer modules, which monitors output loads. Features: · Test Trailer lights at the trailer hitch using your smart device · Only one person required for testing · Test running lights, brake lights, reverse lights, turn signals and trailer brake link · Compatible with most smart devices
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.
Screenshots
Verdict
The clearest difference is update cadence: Bluetooth Trailer Tester at every 2 weeks against Trailer SYNC's every 12 months. Bluetooth Trailer Tester also leads on iOS requirement (7.0 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.
Bluetooth Trailer Tester ships an update every 2 weeks, Trailer SYNC every 12 months. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.
| Parameter | Bluetooth Trailer Tester | Trailer SYNC |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 weeks — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | JS Products, Inc. | Michael Fort |
In-app purchases
Bluetooth Trailer Tester
No in-app purchases
Trailer SYNC
No in-app purchases
Questions
Is Bluetooth Trailer Tester free?
Is Trailer SYNC free?
Do Bluetooth Trailer Tester or Trailer SYNC have ads?
Which is updated more often, Bluetooth Trailer Tester or Trailer SYNC?
Other comparisons
