# e85Cal vs 85Blends

The clearest difference is ads: e85Cal at none against 85Blends's shown. e85Cal also leads on iOS requirement (12.1 vs 17.6). 85Blends's advantage is update cadence (fortnightly vs every 4 months). On price, in-app purchases and device support there is nothing between them.

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

e85Cal ships an update every 4 months, 85Blends fortnightly. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | e85Cal | 85Blends |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (35 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 15 MB | 17 MB |
| Requires iOS | **12.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michael Joe](https://appshunter.io/developer/1132486512) | [Julian Figueroa](https://appshunter.io/developer/1892612260) |

## 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


### 85Blends

[App page](https://appshunter.io/ios/app/85blends/id6762037468)

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

**In-app purchases:** none


## Frequently asked questions

### Is e85Cal free?

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

### Is 85Blends free?

85Blends is free to download, with no in-app purchases.

### Do e85Cal or 85Blends have ads?

85Blends shows ads; e85Cal does not.

### Which is updated more often, e85Cal or 85Blends?

e85Cal ships an update every 4 months, and 85Blends fortnightly. Most recently, e85Cal was updated on September 26, 2026 and 85Blends 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.*