# DOCSA vs Tow

The clearest difference is update cadence: Tow at every 4 months against DOCSA's every 10 months. Tow also leads on iOS requirement (13.0 vs 15.6). 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.

DOCSA ships an update every 10 months, Tow every 4 months. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DOCSA | Tow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (2 ratings)](https://appshunter.io/ios/app/tow-pro/id6474433608/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 11 MB | 70 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R R Luppino](https://appshunter.io/developer/1116001823) | [Redarc Electronics](https://appshunter.io/developer/1361437429) |

## What reviewers say

### DOCSA

[App page](https://appshunter.io/ios/app/docsa/id1481467011)

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

**In-app purchases:** none


### Tow

[App page](https://appshunter.io/ios/app/tow-pro/id6474433608)

This application interfaces with a specific Bluetooth-enabled brake controller, offering control and testing capabilities. It utilizes inertia-sensing technology for smooth towing experiences, suitable for various hauling situations.

**Highlights:** Connects to Tow-Pro Link Brake Controller, Inertia-sensing technology, Smooth day-to-day hauling, Highway towing control, Test brake controller functionality

**In-app purchases:** none


## Frequently asked questions

### Is DOCSA free?

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

### Is Tow free?

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

### Do DOCSA or Tow have ads?

Neither DOCSA nor Tow shows ads.

### Which is updated more often, DOCSA or Tow?

DOCSA ships an update every 10 months, and Tow every 4 months. Most recently, DOCSA was updated on September 27, 2026 and Tow on October 7, 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.*