# PROFLEX Connect vs APE X85

The clearest difference is review sentiment: APE X85 at 100% against PROFLEX Connect's 38%. APE X85 also leads on rating (4.3 vs 2.8). PROFLEX Connect's advantage is update cadence (weekly vs every 8 months) and ratings volume (57 vs 7). 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.

APE X85 holds the better App Store score, 4.3 against 2.8. That said, the two scores are not equally well evidenced: PROFLEX Connect has 57 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 38% of PROFLEX Connect's written reviews are positive against 100% of APE X85's.

PROFLEX Connect ships an update weekly, APE X85 every 8 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | PROFLEX Connect | APE X85 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (57 ratings)](https://appshunter.io/ios/app/proflex-connect/id1262287275/reviews) | **[4.3 (7 ratings)](https://appshunter.io/ios/app/ape-x85/id1435712370/reviews)** |
| Number of ratings | **57** | 7 |
| Positive reviews | 37.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 months |
| Monetization | Free | Free |
| Size | 22 MB | 25 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ADVANCED FUEL DYNAMICS](https://appshunter.io/developer/1564136309) | [AlternativePerformanceEng](https://appshunter.io/developer/1435712369) |

## What reviewers say

### PROFLEX Connect

[App page](https://appshunter.io/ios/app/proflex-connect/id1262287275)

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:** macOS Compatibility

**In-app purchases:** none


### APE X85

[App page](https://appshunter.io/ios/app/ape-x85/id1435712370)

This application enables users to monitor and configure a Flex Fuel Conversion module for gasoline engines, allowing them to run E85 fuel. It offers advanced tuning for ethanol delivery and includes a data logger. The app is also compatible with the APE Multi-gauge module.

**Highlights:** Flex Fuel conversion module monitoring, E85 fuel compatibility, Advanced ethanol delivery tuning, RPM range configuration, Built-in data logger, APE Multi-gauge module support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PROFLEX Connect free?

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

### Is APE X85 free?

APE X85 is free to download, with no in-app purchases.

### Which has better reviews, PROFLEX Connect or APE X85?

APE X85 is rated higher. PROFLEX Connect averages 2.8 out of 5 from 57 ratings, while APE X85 averages 4.3 from 7 ratings.

### Do PROFLEX Connect or APE X85 have ads?

Neither PROFLEX Connect nor APE X85 shows ads.

### Which is updated more often, PROFLEX Connect or APE X85?

PROFLEX Connect ships an update weekly, and APE X85 every 8 months. Most recently, PROFLEX Connect was updated on November 6, 2026 and APE X85 on November 2, 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.*