# Nostrum E85 Ethanol Module App vs AEM THROTTLE BOOSTER

Nostrum E85 Ethanol Module App and AEM THROTTLE BOOSTER are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Nostrum E85 Ethanol Module App | AEM THROTTLE BOOSTER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/nostrum-e85-ethanol-module-app/id1503385365/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 11 months |
| Monetization | Free | — |
| Size | 10 MB | 80 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Performance Electronics](https://appshunter.io/developer/1161515426) | [Holley Performance Products](https://appshunter.io/developer/1175069390) |

## What reviewers say

### Nostrum E85 Ethanol Module App

[App page](https://appshunter.io/ios/app/nostrum-e85-ethanol-module-app/id1503385365)

Monitor your vehicle's ethanol content, fuel temperature, and fuel pressure in real-time from your wireless device. This app allows for unit selection, displays module status, and enables sensor calibration. A demo mode is included for operation without a physical module.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### AEM THROTTLE BOOSTER

[App page](https://appshunter.io/ios/app/aem-throttle-booster/id6502469570)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Nostrum E85 Ethanol Module App free?

Nostrum E85 Ethanol Module App is free to download, with no in-app purchases.

### Is AEM THROTTLE BOOSTER free?

AEM THROTTLE BOOSTER is free to download, with no in-app purchases.

### Do Nostrum E85 Ethanol Module App or AEM THROTTLE BOOSTER have ads?

Neither Nostrum E85 Ethanol Module App nor AEM THROTTLE BOOSTER shows ads.

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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.*