# E85 Calculator vs Monkey Trader

The clearest difference is update cadence: Monkey Trader at every 10 months against E85 Calculator's every 29 months. On price, ads, 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.

E85 Calculator ships an update every 29 months, Monkey Trader every 10 months. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | E85 Calculator | Monkey Trader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/e85-calculator/id1029273167/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 3 MB | 60 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sheharyar Irfan](https://appshunter.io/developer/974971911) | [Creodot](https://appshunter.io/developer/1783394128) |

## 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


### Monkey Trader

[App page](https://appshunter.io/ios/app/monkey-trader/id6741880063)

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

**In-app purchases:** none


## Frequently asked questions

### Is E85 Calculator free?

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

### Is Monkey Trader free?

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

### Do E85 Calculator or Monkey Trader have ads?

Neither E85 Calculator nor Monkey Trader shows ads.

### Which is updated more often, E85 Calculator or Monkey Trader?

E85 Calculator ships an update every 29 months, and Monkey Trader every 10 months. Most recently, E85 Calculator was updated on September 24, 2026 and Monkey Trader on September 30, 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.*