Comparison

Bluetooth Trailer Tester vs TOPDON BatteryLab

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

Head to head
About

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.

Highlights
  • Remote trailer light testing
  • Single-person operation
  • Tests all trailer lights
  • Compatible with smart devices
  • Tests intelligent trailer modules
Features
Read full description

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

About

TOPDON BatteryLab

This app allows you to test your car's battery and generator. It provides detailed battery life and voltage calculations, and can manage multiple devices simultaneously. Generate and view test reports with ease.

Highlights
  • Calculate battery life and voltage
  • Inspect car generator
  • Manage multiple devices
  • Quick device connection
  • One-click test report generation
Features
Read full description

BatteryLab is a comprehensive battery testing application that connects to your device for battery testing, charging, and other functions. 1. Calculate the battery life and voltage. 2. Inspect the car generator. 3. Add multiple devices for management at the same time. 4. Quickly connect the device and perform battery testing. 5. Generate a test report with one click and view it at any time.

Screenshots

Bluetooth Trailer Tester4 screens
TOPDON BatteryLab4 screens

Verdict

The call

The clearest difference is review sentiment: Bluetooth Trailer Tester at 75% against TOPDON BatteryLab's 24%. Bluetooth Trailer Tester also leads on rating (4.0 vs 2.4) and update cadence (every 2 weeks vs monthly). TOPDON BatteryLab's advantage is ratings volume (15 vs 4). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

Bluetooth Trailer Tester holds the better App Store score, 4.0 against 2.4. Both are backed by a comparable volume of ratings — 4 and 15 respectively. Written reviews point the same way: 75% of Bluetooth Trailer Tester's written reviews are positive against 24% of TOPDON BatteryLab's.

UpkeepUpdate frequency

Bluetooth Trailer Tester ships an update every 2 weeks, TOPDON BatteryLab monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Bluetooth Trailer Tester versus TOPDON BatteryLab: the parameters behind the verdict, then further details
ParameterBluetooth Trailer TesterTOPDON BatteryLab
PriceFreeFree
Rating4.0 (4 ratings) — better2.4 (15 ratings)
Positive reviews75.0% of reviews — better24.1% of reviews
Number of ratings415 — better
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS7.0 — better11.0
Further details — not scored
Size2 MB188 MB
Age rating4+4+
DeveloperJS Products, Inc.HK TOPDON TECHNOLOGY Co., LIMITED

Customer experience

Bluetooth Trailer Tester

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

TOPDON BatteryLab

All ratings13 ratings
Positive38.5%
Neutral0.0%
Negative61.5%
Written reviews29 reviews
Positive24.1%
Neutral3.4%
Negative72.4%

In-app purchases

None

Bluetooth Trailer Tester

No in-app purchases

None

TOPDON BatteryLab

No in-app purchases

Questions

Is Bluetooth Trailer Tester free?
Bluetooth Trailer Tester is free to download, with no in-app purchases.
Is TOPDON BatteryLab free?
TOPDON BatteryLab is free to download, with no in-app purchases.
Which has better reviews, Bluetooth Trailer Tester or TOPDON BatteryLab?
Bluetooth Trailer Tester is rated higher. Bluetooth Trailer Tester averages 4.0 out of 5 from 4 ratings, while TOPDON BatteryLab averages 2.4 from 15 ratings.
Do Bluetooth Trailer Tester or TOPDON BatteryLab have ads?
Neither Bluetooth Trailer Tester nor TOPDON BatteryLab shows ads.
Which is updated more often, Bluetooth Trailer Tester or TOPDON BatteryLab?
Bluetooth Trailer Tester ships an update every 2 weeks, and TOPDON BatteryLab monthly. Most recently, Bluetooth Trailer Tester was updated on November 2, 2026 and TOPDON BatteryLab on November 3, 2026.

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