# Nostrum E85 Ethanol Module App — Nostrum's E85 Module Interface

> Real-time vehicle ethanol content, fuel temp, and pressure monitoring. (iPhone/iPad app by Performance Electronics.)

- Source: https://appshunter.io/ios/app/nostrum-e85-ethanol-module-app/id1503385365 (this page in markdown: same URL + `.md`)
- Developer: [Performance Electronics](https://appshunter.io/developer/1161515426)
- Category: Utilities
- Price: Free
- Rating: 4.80/5 from 5 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 10 MB
- Languages: English
- Released: 2021-07-23
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/nostrum-e85-ethanol-module-app/id1503385365/reviews.md

## What is Nostrum E85 Ethanol Module App?

The Nostrum E85 Ethanol Module App works directly with Nostrum’s E85 interface module* and enables you to monitor your vehicle’s ethanol content, fuel temperature, and fuel pressure** directly from your wireless device. 

• The App allows up to 120 seconds of real time viewing of data 
• Enables true flex fuel on vehicles using a frequency, analog, or CAN input signal***
• Can connect to multiple Nostrum E85 modules
• Select between Metric or Imperial units for temperature and pressure
• Displays number of power cycles, module run time, module temperature, and battery voltage
• Use to configure ethanol content and pressure sensor calibration
• Includes demo mode to allow operation of app without Nostrum’s module
*E85 interface modules are available and sold separately on www.nostrumshop.com **Fuel pressure sensors and ethanol content sensors are available and sold separately www.nostrumshop.com
***May require custom vehicle calibration (not included)

## Key features

- Real-time ethanol content monitoring
- Fuel temperature and pressure display
- Metric/Imperial unit selection
- Sensor calibration
- Demo mode
- Connect to multiple modules

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/nostrum-e85-ethanol-module-app/id1503385365/reviews.md

### 5/5 — Why did I wait!

*2024-12-16*

This thing is awesome, shows in real time my ethanol content.   Tuner recommended so I stay in perfect range of e tune.

## Frequently asked questions about Nostrum E85 Ethanol Module App

### What can Nostrum E85 Module App monitor?

Nostrum E85 Module App can monitor your vehicle's ethanol content, fuel temperature, and fuel pressure in real-time. It also displays power cycles, module run time, module temperature, and battery voltage.

### Does Nostrum E85 Module App have ads?

No, Nostrum E85 Module App does not contain advertisements. It is a free application with no in-app purchases or ads.

### What devices does Nostrum E85 Module App support?

Nostrum E85 Module App is supported on iPhone and iPod devices. It is designed for iOS operating systems.

### How accurate is the fuel pressure data?

The app displays fuel pressure readings from connected sensors. For accurate readings, a separate fuel pressure sensor, sold by Nostrum, is required. Custom vehicle calibration may also be necessary.

### Can I use Nostrum E85 Module App without a module?

Yes, Nostrum E85 Module App includes a demo mode that allows you to operate the app and view its features without a physical Nostrum E85 interface module.

### What is the update frequency for Nostrum E85 Module App?

The app was last updated on July 23, 2021, with version 1.0. Further update frequency is not specified but typically depends on developer releases.

### What is the age rating for Nostrum E85 Module App?

Nostrum E85 Module App has an age rating of 4+. This indicates it is suitable for users of all ages.

### Can Nostrum E85 Module App connect to multiple modules?

Yes, the app is designed to connect to multiple Nostrum E85 modules, allowing for expanded monitoring capabilities if you have more than one module installed.

## Version history (last 1 release)

### 1.0 — 2021-07-23

No release notes.

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All apps by Performance Electronics: https://appshunter.io/developer/1161515426

## Related topics

[e85 content](https://appshunter.io/ios/topics/e85-content) · [application e705](https://appshunter.io/ios/topics/application-e705) · [e85 app](https://appshunter.io/ios/topics/e85-app)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*