# E85 Calculator vs CANBOXPRO

The clearest difference is rating: CANBOXPRO at 3.0 against E85 Calculator's 1.0. CANBOXPRO also leads on update cadence (every 8 days vs every 29 months) and iOS requirement (14.0 vs 16.0). 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.

CANBOXPRO holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

E85 Calculator ships an update every 29 months, CANBOXPRO every 8 days. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | E85 Calculator | CANBOXPRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/e85-calculator/id1029273167/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/canboxpro/id6473891966/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 3 MB | 9 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sheharyar Irfan](https://appshunter.io/developer/974971911) | [John Visconti](https://appshunter.io/developer/1182909054) |

## What reviewers say

### E85 Calculator

[App page](https://appshunter.io/ios/app/e85-calculator/id1029273167)

This application helps performance enthusiasts and flex-fuel vehicle owners precisely calculate the amounts of E85 and gasoline needed for specific ethanol percentages or octane ratings. It offers both simple and advanced modes for fuel mixing calculations, supporting metric and imperial units.

**Highlights:** Calculate E85 and gasoline amounts, Target specific ethanol percentages, Calculate by desired octane rating, Metric and imperial unit support, Real-time calculations, Easy and advanced modes

**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 E85 Calculator free?

E85 Calculator 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, E85 Calculator or CANBOXPRO?

CANBOXPRO is rated higher. E85 Calculator averages 1.0 out of 5 from 2 ratings, while CANBOXPRO averages 3.0 from 2 ratings.

### Do E85 Calculator or CANBOXPRO have ads?

Neither E85 Calculator nor CANBOXPRO shows ads.

### Which is updated more often, E85 Calculator or CANBOXPRO?

E85 Calculator ships an update every 29 months, and CANBOXPRO every 8 days. Most recently, E85 Calculator was updated on September 8, 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.*