Trailer Safety Control vs Angle Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trailer Safety Control
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Allows the trailer user to communicate directly with the Trailer Safety Controller product via Bluetooth. Information from the trailer can be retrieved including trailer odometer, system status and diagnostic functions for troubleshooting trailer technical issues. NOTE: To use this app your trailer must have the Bosch Trailer Safety Control product installed and the supported Bluetooth communications.
Angle Meter
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The MTS Angle Meter is a high-precision digital inclinometer designed for RC pilots who need accurate model setup and fast, reliable angle readings. Connect up to 4 Angle Measurement Units and view Roll and Pitch readings in one place, making it easy to compare wings, tailplanes, motor thrust lines, and incidence settings directly between units. Ideal for precise RC aircraft setup, trimming, and repeatable workshop measurements.
Screenshots
Verdict
The clearest difference is update cadence: Angle Meter at fortnightly against Trailer Safety Control's every 18 months. Trailer Safety Control's advantage is iOS requirement (14.0 vs 17.0). 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 Safety Control ships an update every 18 months, Angle Meter fortnightly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | Trailer Safety Control | Angle Meter |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 18 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 50 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | ROBERT BOSCH (AUSTRALIA) PROPRIETARY LIMITED | Richard Hirst |
In-app purchases
Trailer Safety Control
No in-app purchases
Angle Meter
No in-app purchases
Questions
Is Trailer Safety Control free?
Is Angle Meter free?
Do Trailer Safety Control or Angle Meter have ads?
Which is updated more often, Trailer Safety Control or Angle Meter?
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