# APE X85 vs eFlexApp

The clearest difference is review sentiment: APE X85 at 100% against eFlexApp's 25%. APE X85 also leads on rating (4.3 vs 3.2) and device support (3 vs 1). eFlexApp's advantage is update cadence (monthly vs every 8 months). On price, ratings volume, ads and in-app purchases 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 3.2. Both are backed by a comparable volume of ratings — 7 and 10 respectively. Written reviews point the same way: 100% of APE X85's written reviews are positive against 25% of eFlexApp's.

APE X85 ships an update every 8 months, eFlexApp monthly. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | APE X85 | eFlexApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/ape-x85/id1435712370/reviews)** | [3.2 (10 ratings)](https://appshunter.io/ios/app/eflexapp/id1526677191/reviews) |
| Number of ratings | 7 | **10** |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free | Free |
| Size | 25 MB | 53 MB |
| Requires iOS | **11.0** | 26.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AlternativePerformanceEng](https://appshunter.io/developer/1435712369) | [StepOne Tech Ltd](https://appshunter.io/developer/1388519134) |

## What reviewers say

### 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


### eFlexApp

[App page](https://appshunter.io/ios/app/eflexapp/id1526677191)

Monitor your eFlexFuel device in real-time, with features varying by device version. Adjust settings like language, temperature units, and theme. Track ethanol content, engine temperature, and more, depending on your specific eFlexFuel model.

**Highlights:** Real-time device monitoring, Adjustable settings (language, temp, theme), Ethanol content tracking, Engine temperature monitoring, Device status checks, Bluetooth connectivity

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is APE X85 free?

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

### Is eFlexApp free?

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

### Which has better reviews, APE X85 or eFlexApp?

APE X85 is rated higher. APE X85 averages 4.3 out of 5 from 7 ratings, while eFlexApp averages 3.2 from 10 ratings.

### Do APE X85 or eFlexApp have ads?

Neither APE X85 nor eFlexApp shows ads.

### Which is updated more often, APE X85 or eFlexApp?

APE X85 ships an update every 8 months, and eFlexApp monthly. Most recently, APE X85 was updated on October 24, 2026 and eFlexApp on October 17, 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.*