# e85Cal vs E85 App

The clearest difference is rating: e85Cal at 4.7 against E85 App's 4.0. e85Cal also leads on in-app purchases (none vs 3) and ads (none vs shown). E85 App's advantage is update cadence (every 9 days vs every 4 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. E85 App sells 3 in-app purchases, starting at $2.99 per month. e85Cal asks for nothing beyond the download.

e85Cal holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 35 and 33 respectively. Written reviews point the same way: 82% of e85Cal's written reviews are positive against 49% of E85 App's.

e85Cal ships an update every 4 months, E85 App every 9 days. The most recent releases landed on July 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | e85Cal | E85 App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (35 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews)** | [4.0 (33 ratings)](https://appshunter.io/ios/app/e85-app/id1508517906/reviews) |
| Number of ratings | **35** | 33 |
| Positive reviews | **81.8% of reviews** | 48.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 27 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Joe](https://appshunter.io/developer/1132486512) | [Ahmed Elsayed](https://appshunter.io/developer/1497438505) |

## What reviewers say

### 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


### E85 App

[App page](https://appshunter.io/ios/app/e85-app/id1508517906)

Find E85 gas stations nearby and calculate E85 fuel mixtures. This tool is designed for car enthusiasts who use or are interested in E85 fuel.

**Highlights:** E85 gas station locator, E85 mix calculator, Location-based search, Fuel mixture calculations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E85 Pro Monthly | $2.99 | per month |
| E85 Pro Yearly | $19.99 | per year |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is e85Cal free?

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

### Is E85 App free?

E85 App is free to download, with in-app purchases available.

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

e85Cal is rated higher. e85Cal averages 4.7 out of 5 from 35 ratings, while E85 App averages 4.0 from 33 ratings.

### Do e85Cal or E85 App have ads?

E85 App shows ads; e85Cal does not.

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

e85Cal ships an update every 4 months, and E85 App every 9 days. Most recently, e85Cal was updated on July 23, 2026 and E85 App on September 18, 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.*