# e85Cal vs CANBOXPRO

The clearest difference is rating: e85Cal at 4.7 against CANBOXPRO's 3.0. e85Cal also leads on ratings volume (35 vs 2) and iOS requirement (12.1 vs 14.0). CANBOXPRO's advantage is update cadence (every 8 days vs every 4 months). On price, ads, in-app purchases and monetization model 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 3.0. That said, the two scores are not equally well evidenced: e85Cal has 35 ratings behind it against 2, so its average is the more settled of the two.

e85Cal ships an update every 4 months, CANBOXPRO every 8 days. The most recent releases landed on July 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | e85Cal | CANBOXPRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (35 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/canboxpro/id6473891966/reviews) |
| Number of ratings | **35** | 2 |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 15 MB | 9 MB |
| Requires iOS | **12.1** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Joe](https://appshunter.io/developer/1132486512) | [John Visconti](https://appshunter.io/developer/1182909054) |

## 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


### CANBOXPRO

[App page](https://appshunter.io/ios/app/canboxpro/id6473891966)

Wirelessly monitor your current ethanol content percentage using a compatible Continental Ethanol sensor. This application requires a specific Bluetooth module for wireless connectivity.

**Highlights:** Wireless ethanol content viewing, Compatible with Continental Ethanol sensors, Requires custom Bluetooth module, Real-time data display

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e85Cal free?

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

### Is CANBOXPRO free?

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

### Which has better reviews, e85Cal or CANBOXPRO?

e85Cal is rated higher. e85Cal averages 4.7 out of 5 from 35 ratings, while CANBOXPRO averages 3.0 from 2 ratings.

### Do e85Cal or CANBOXPRO have ads?

Neither e85Cal nor CANBOXPRO shows ads.

### Which is updated more often, e85Cal or CANBOXPRO?

e85Cal ships an update every 4 months, and CANBOXPRO every 8 days. Most recently, e85Cal was updated on July 23, 2026 and CANBOXPRO on June 1, 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.*