FassConnect vs RE4000 Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FassConnect
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.
- Live vehicle vitals readouts
- Diesel filter health tracking
- Filter change reminders
- Simple dashboard interface
- Dark mode support
- Bluetooth connectivity
Read full descriptionHide full description
FassConnect gives you a clear view of your vehicle’s vitals and diesel filter status right from your phone. Highlights: - Live readouts: fuel pressure, temps, battery, more - Filter health tracking with change reminders - Simple, easy to use dashboard with dark mode. - Works with compatible sensors/adapters. - Connects to the FassConnect-ECU via Bluetooth.
RE4000 Connect
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.
- Scanner customization
- Scan list management
- Firmware updates
- Feature unlocking
- Performance enhancement
Read full descriptionHide full description
RE4000 Connect is the official companion app for the RE4000 scanner. Easily customize your scanner, create and manage scan lists, and install the latest firmware updates to unlock new features, improvements, and enhanced performance.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | FassConnect | RE4000 Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (12 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 12 — better | 2 |
| Update frequency | Every 3 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Interactive Technologies, Inc. (KS) | ITelligent Inc. |
In-app purchases
FassConnect
No in-app purchases
RE4000 Connect
No in-app purchases
Questions
Is FassConnect free?
Is RE4000 Connect free?
Which has better reviews, FassConnect or RE4000 Connect?
Do FassConnect or RE4000 Connect have ads?
Which is updated more often, FassConnect or RE4000 Connect?
Other comparisons















