# Trailer SYNC vs TandemSlide Pro

The clearest difference is in-app purchases: Trailer SYNC at none against TandemSlide Pro's 2. Trailer SYNC also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.4). TandemSlide Pro's advantage is update cadence (weekly vs every 12 months). On price and ads there is nothing between them.

Both are free to download. TandemSlide Pro sells 2 in-app purchases, starting at $1.99 per month. Trailer SYNC asks for nothing beyond the download.

Trailer SYNC ships an update every 12 months, TandemSlide Pro weekly. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Trailer SYNC | TandemSlide Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Size | 1 MB | 184 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Michael Fort](https://appshunter.io/developer/1330023385) | [Tristan Montgomery](https://appshunter.io/developer/6803695107) |

## What reviewers say

### Trailer SYNC

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

**In-app purchases:** none


### TandemSlide Pro

[App page](https://appshunter.io/ios/app/tandemslide-pro/id6803695105)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TandemSlide Pro Premium | $1.99 | per month |
| TandemSlide Pro Premium | $21.99 | per year |


## Frequently asked questions

### Is Trailer SYNC free?

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

### Is TandemSlide Pro free?

TandemSlide Pro is free to download, with in-app purchases available.

### Do Trailer SYNC or TandemSlide Pro have ads?

Neither Trailer SYNC nor TandemSlide Pro shows ads.

### Which is updated more often, Trailer SYNC or TandemSlide Pro?

Trailer SYNC ships an update every 12 months, and TandemSlide Pro weekly. Most recently, Trailer SYNC was updated on November 7, 2026 and TandemSlide Pro on November 10, 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.*