Comparison

PROFLEX Connect vs CANflex

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

Head to head

PROFLEX Connect

Advanced Fuel Dynamics

Free

🔧 Utilities

★ 2.854 ratingsView app →

About

PROFLEX Connect

This app allows you to monitor your vehicle's fuel system performance in real-time. It displays device settings and helps locate nearby E85 fuel stations for convenient ethanol blending.

Highlights

Real-time device setting display
E85 station locator
Fuel ratio monitoring
Performance flex fuel system integration

Features

Read full description

PROFLEX Commander is a bolt on performance flex fuel system allowing your vehicle to make big power with ethanol right out of the box. No tuning needed. The PROFLEX Commander and FLEXLINK family of devices allow you to run any blend of gas and E85 at anytime, while always delivering the exact fuel ratio to your vehicle. The PROFLEX Connect app allows you to view your device settings in real-time, and even help you find a nearby e85 station.

About

CANflex

Read full description

Free app for use with BMS CANflex 4 in 1 ethanol analyzer

Screenshots

PROFLEX Connect4 screens

CANflex3 screens

Verdict

The call

The clearest difference is update cadence: PROFLEX Connect at weekly against CANflex's every 6 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

PROFLEX Connect ships an update weekly, CANflex every 6 months. The most recent releases landed on September 18, 2026 and September 15, 2026 respectively.

Scorecard1 real difference · 9 level

PROFLEX Connect versus CANflex: the parameters behind the verdict, then further details
Parameter	PROFLEX Connect	CANflex
Price	Free	Free
Rating	2.8 (54 ratings) — better	—
Positive reviews	39.3% of reviews	—
Number of ratings	54 — better	—
Update frequency	Weekly — better	Every 6 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.4 — better	13.0
Further details — not scored
Size	22 MB	24 MB
Age rating	4+	4+
Developer	ADVANCED FUEL DYNAMICS	Burger Motorsports, Inc

In-app purchases

None

PROFLEX Connect

No in-app purchases

None

CANflex

No in-app purchases

Questions

Is PROFLEX Connect free?

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

Is CANflex free?

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

Do PROFLEX Connect or CANflex have ads?

Neither PROFLEX Connect nor CANflex shows ads.

Which is updated more often, PROFLEX Connect or CANflex?

PROFLEX Connect ships an update weekly, and CANflex every 6 months. Most recently, PROFLEX Connect was updated on September 18, 2026 and CANflex on September 15, 2026.