# Mechanic App vs Hampton E85 Mix Calculator

The clearest difference is price: Mechanic App at Free against Hampton E85 Mix Calculator's $2.99. Mechanic App also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On update cadence, ads and in-app purchases there is nothing between them.

Mechanic App is free to download; Hampton E85 Mix Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 8, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Mechanic App | Hampton E85 Mix Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hampton-e85-mix-calculator/id1529634776/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | — | Paid |
| Size | 25 MB | 6 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ASD Solutions Pty Ltd](https://appshunter.io/developer/964490339) | [Daniel Hampton](https://appshunter.io/developer/1587337125) |

## What reviewers say

### Mechanic App

[App page](https://appshunter.io/ios/app/mechanic-app/id1491922735)

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

**In-app purchases:** none


### Hampton E85 Mix Calculator

[App page](https://appshunter.io/ios/app/hampton-e85-mix-calculator/id1529634776)

Easily calculate the precise amounts of E85 and pump gas needed to achieve your desired ethanol blend. This tool estimates your current fuel level and provides an estimated octane rating for your mix. It works offline, making it convenient for use at any gas station.

**Highlights:** Calculate exact E85 and pump gas amounts, Estimate current fuel level, View estimated octane rating, Offline functionality, Adjustable ethanol and octane defaults, Real-world tested by enthusiasts

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mechanic App free?

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

### Is Hampton E85 Mix Calculator free?

Hampton E85 Mix Calculator costs $2.99, with no in-app purchases.

### Do Mechanic App or Hampton E85 Mix Calculator have ads?

Neither Mechanic App nor Hampton E85 Mix Calculator shows ads.

### Which is updated more often, Mechanic App or Hampton E85 Mix Calculator?

Mechanic App ships an update every 5 weeks, and Hampton E85 Mix Calculator every 5 weeks. Most recently, Mechanic App was updated on September 8, 2026 and Hampton E85 Mix Calculator on September 7, 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.*