# FassConnect vs RE4000 Connect

The clearest difference is update cadence: RE4000 Connect at daily against FassConnect's every 3 months. RE4000 Connect also leads on rating (5.0 vs 4.7). FassConnect's advantage is ratings volume (12 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RE4000 Connect holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: FassConnect has 12 ratings behind it against 2, so its average is the more settled of the two.

FassConnect ships an update every 3 months, RE4000 Connect daily. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FassConnect | RE4000 Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/fassconnect/id6741928349/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/re4000-connect/id6788853129/reviews)** |
| Number of ratings | **12** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | Free |
| Size | 8 MB | 52 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Interactive Technologies, Inc. (KS)](https://appshunter.io/developer/505481415) | [ITelligent Inc.](https://appshunter.io/developer/1596672116) |

## What reviewers say

### FassConnect

[App page](https://appshunter.io/ios/app/fassconnect/id6741928349)

Monitor your vehicle's diesel filter status and vital readings directly from your smartphone. Receive timely reminders for filter changes and view key metrics on a user-friendly dashboard. Requires compatible sensors and Bluetooth connection.

**Highlights:** Live vehicle vitals readouts, Diesel filter health tracking, Filter change reminders, Simple dashboard interface, Dark mode support, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### RE4000 Connect

[App page](https://appshunter.io/ios/app/re4000-connect/id6788853129)

This utility app allows users to customize their scanner, manage scan lists, and install firmware updates. Keep your device performing optimally and unlock new features with the latest software. It enhances the functionality of the RE4000 scanner.

**Highlights:** Scanner customization, Scan list management, Firmware updates, Feature unlocking, Performance enhancement

**In-app purchases:** none


## Frequently asked questions

### Is FassConnect free?

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

### Is RE4000 Connect free?

RE4000 Connect is free to download, with no in-app purchases.

### Which has better reviews, FassConnect or RE4000 Connect?

RE4000 Connect is rated higher. FassConnect averages 4.7 out of 5 from 12 ratings, while RE4000 Connect averages 5.0 from 2 ratings.

### Do FassConnect or RE4000 Connect have ads?

Neither FassConnect nor RE4000 Connect shows ads.

### Which is updated more often, FassConnect or RE4000 Connect?

FassConnect ships an update every 3 months, and RE4000 Connect daily. Most recently, FassConnect was updated on November 4, 2026 and RE4000 Connect on October 31, 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.*