# INTELLI vs Trailer Safety Control

The clearest difference is update cadence: INTELLI at every 2 months against Trailer Safety Control's every 18 months. INTELLI also leads on iOS requirement (11.0 vs 14.0). 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.

INTELLI ships an update every 2 months, Trailer Safety Control every 18 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | INTELLI | Trailer Safety Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 18 months |
| Size | 36 MB | 50 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) | [ROBERT BOSCH (AUSTRALIA) PROPRIETARY LIMITED](https://appshunter.io/developer/1714209979) |

## What reviewers say

### INTELLI

[App page](https://appshunter.io/ios/app/intelli-grid/id6443934135)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trailer Safety Control

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

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

**In-app purchases:** none


## Frequently asked questions

### Is INTELLI free?

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

### Is Trailer Safety Control free?

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

### Do INTELLI or Trailer Safety Control have ads?

Neither INTELLI nor Trailer Safety Control shows ads.

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

INTELLI ships an update every 2 months, and Trailer Safety Control every 18 months. Most recently, INTELLI was updated on November 7, 2026 and Trailer Safety Control on November 7, 2026.

---

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