# Purflux vs Tow Trust

The clearest difference is update cadence: Tow Trust at every 2 weeks against Purflux's every 5 months. Purflux's advantage is iOS requirement (9.0 vs 15.0). 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.

Purflux ships an update every 5 months, Tow Trust every 2 weeks. The most recent releases landed on June 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Purflux | Tow Trust |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/purflux/id1338786818/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 180 MB | 199 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Sogefi Filtration](https://appshunter.io/developer/1338786817) | [Cloudfy](https://appshunter.io/developer/1508584161) |

## What reviewers say

### Purflux

[App page](https://appshunter.io/ios/app/purflux/id1338786818)

Easily find the right oil, air, fuel, and cabin filters for cars and light commercial vehicles. Search by application, competitor reference, vehicle type, or filter dimensions. Access new product information, videos, and installation guides.

**Highlights:** Filter catalog for cars and light commercial vehicles, Search by application, competitor reference, or vehicle type, Filter by shape and dimension, New product information, Purflux videos and news, Cabin filter fitting and installation instructions

**Features:** macOS Compatibility

**In-app purchases:** none


### Tow Trust

[App page](https://appshunter.io/ios/app/tow-trust/id6714472409)

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

**In-app purchases:** none


## Frequently asked questions

### Is Purflux free?

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

### Is Tow Trust free?

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

### Do Purflux or Tow Trust have ads?

Neither Purflux nor Tow Trust shows ads.

### Which is updated more often, Purflux or Tow Trust?

Purflux ships an update every 5 months, and Tow Trust every 2 weeks. Most recently, Purflux was updated on June 1, 2026 and Tow Trust on September 21, 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.*