# Trailer SYNC vs Doran TPMS

The clearest difference is update cadence: Doran TPMS at every 5 months against Trailer SYNC's every 12 months. 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 SYNC ships an update every 12 months, Doran TPMS every 5 months. The most recent releases landed on October 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Trailer SYNC | Doran TPMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doran-tpms/id1666299578/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 1 MB | 38 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Fort](https://appshunter.io/developer/1330023385) | [Transpoworks Inc.](https://appshunter.io/developer/1664919543) |

## What reviewers say

### Trailer SYNC

[App page](https://appshunter.io/ios/app/trailer-sync/id1643608907)

**In-app purchases:** none


### Doran TPMS

[App page](https://appshunter.io/ios/app/doran-tpms/id1666299578)

Monitor tire pressure and temperature in real-time for commercial vehicles and agricultural equipment. Receive instant alerts for low, high, or unsafe conditions, and log data to track trends and identify potential issues.

**Highlights:** Bluetooth connectivity, Real-time monitoring, Customizable alerts, Data logging, Easy sensor installation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trailer SYNC free?

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

### Is Doran TPMS free?

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

### Do Trailer SYNC or Doran TPMS have ads?

Neither Trailer SYNC nor Doran TPMS shows ads.

### Which is updated more often, Trailer SYNC or Doran TPMS?

Trailer SYNC ships an update every 12 months, and Doran TPMS every 5 months. Most recently, Trailer SYNC was updated on October 4, 2026 and Doran TPMS on September 24, 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.*