# Trailer Safety Control vs Angle Meter

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.

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.

## The numbers

| Metric | Trailer Safety Control | Angle Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Fortnightly** |
| Size | 50 MB | 4 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ROBERT BOSCH (AUSTRALIA) PROPRIETARY LIMITED](https://appshunter.io/developer/1714209979) | [Richard Hirst](https://appshunter.io/developer/1879153964) |

## What reviewers say

### Trailer Safety Control

[App page](https://appshunter.io/ios/app/trailer-safety-control/id6470779977)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Angle Meter

[App page](https://appshunter.io/ios/app/angle-meter/id6762128191)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trailer Safety Control free?

Trailer Safety Control is free to download, with no in-app purchases.

### Is Angle Meter free?

Angle Meter is free to download, with no in-app purchases.

### Do Trailer Safety Control or Angle Meter have ads?

Neither Trailer Safety Control nor Angle Meter shows ads.

### Which is updated more often, Trailer Safety Control or Angle Meter?

Trailer Safety Control ships an update every 18 months, and Angle Meter fortnightly. Most recently, Trailer Safety Control was updated on November 7, 2026 and Angle Meter on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*