Comparison

FassConnect vs RE4000 Connect

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Live vehicle vitals readouts
  • Diesel filter health tracking
  • Filter change reminders
  • Simple dashboard interface
  • Dark mode support
  • Bluetooth connectivity
Features
Read 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.

About

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.

Highlights
  • Scanner customization
  • Scan list management
  • Firmware updates
  • Feature unlocking
  • Performance enhancement
Read 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

FassConnect3 screens
RE4000 Connect4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard3 real differences · 7 level
FassConnect versus RE4000 Connect: the parameters behind the verdict, then further details
ParameterFassConnectRE4000 Connect
PriceFreeFree
Rating4.7 (12 ratings)5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings12 — better2
Update frequencyEvery 3 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size8 MB52 MB
Age rating4+4+
DeveloperInteractive Technologies, Inc. (KS)ITelligent Inc.

In-app purchases

None

FassConnect

No in-app purchases

None

RE4000 Connect

No in-app purchases

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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