# E85 Content vs e85Cal

The clearest difference is review sentiment: e85Cal at 83% against E85 Content's 0%. e85Cal also leads on rating (4.7 vs 3.4) and update cadence (every 4 months vs every 17 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.

e85Cal holds the better App Store score, 4.7 against 3.4. Both are backed by a comparable volume of ratings — 12 and 35 respectively. Written reviews point the same way: 0% of E85 Content's written reviews are positive against 83% of e85Cal's.

E85 Content ships an update every 17 months, e85Cal every 4 months. The most recent releases landed on September 22, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | E85 Content | e85Cal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (12 ratings)](https://appshunter.io/ios/app/e85-content/id1252861855/reviews) | **[4.7 (35 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews)** |
| Number of ratings | 12 | **35** |
| Positive reviews | 0.0% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 8 MB | 15 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Delicious Tuning](https://appshunter.io/developer/1252861854) | [Michael Joe](https://appshunter.io/developer/1132486512) |

## What reviewers say

### E85 Content

[App page](https://appshunter.io/ios/app/e85-content/id1252861855)

This application displays real-time ethanol content and fuel pressure for your vehicle's fuel system. It requires a specific Bluetooth plugin kit and is compatible with a range of vehicles, with ongoing development for expansion.

**Highlights:** Real-time ethanol content display, Real-time fuel pressure display, Requires Flex Fuel Bluetooth plugin kit, Compatible with various vehicles, Ongoing development and expansion

**Features:** macOS Compatibility

**In-app purchases:** none


### e85Cal

[App page](https://appshunter.io/ios/app/e85cal/id1470313135)

This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.

**Highlights:** Calculate ethanol percentage goal, Enter gas tank size, Input standard pump gas ethanol %, Input ethanol pump gas ethanol %, Set target ethanol % mix, Enter current fuel level %

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E85 Content free?

E85 Content is free to download, with no in-app purchases.

### Is e85Cal free?

e85Cal is free to download, with no in-app purchases.

### Which has better reviews, E85 Content or e85Cal?

e85Cal is rated higher. E85 Content averages 3.4 out of 5 from 12 ratings, while e85Cal averages 4.7 from 35 ratings.

### Do E85 Content or e85Cal have ads?

Neither E85 Content nor e85Cal shows ads.

### Which is updated more often, E85 Content or e85Cal?

E85 Content ships an update every 17 months, and e85Cal every 4 months. Most recently, E85 Content was updated on September 22, 2026 and e85Cal on September 26, 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.*