# Hampton E85 Mix Calculator vs Razor Delivery

The clearest difference is price: Razor Delivery at Free against Hampton E85 Mix Calculator's $2.99. Razor Delivery also leads on device support (3 vs 1). Hampton E85 Mix Calculator's advantage is chart position (#192 vs unranked) and ratings volume (3 vs 1). On rating, update cadence, ads and in-app purchases there is nothing between them.

Razor Delivery 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.

On the App Store both sit at effectively the same score — 5.0 for Hampton E85 Mix Calculator against 5.0 for Razor Delivery. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Hampton E85 Mix Calculator ships an update every 5 weeks, Razor Delivery every 3 weeks. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Hampton E85 Mix Calculator | Razor Delivery |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/hampton-e85-mix-calculator/id1529634776/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/razor-delivery/id6447930135/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#192** | — |
| Size | 6 MB | 75 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Hampton](https://appshunter.io/developer/1587337125) | [Nextgen US Corp](https://appshunter.io/developer/1441127024) |

## What reviewers say

### Hampton E85 Mix Calculator

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

**Currently charting:** #192 Top Paid · Productivity (US App Store)

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


### Razor Delivery

[App page](https://appshunter.io/ios/app/razor-delivery/id6447930135)

This app streamlines prescription delivery for pharmacy personnel. It offers real-time tracking, optimized routing with turn-by-turn directions, and digital signature capture for proof of delivery. The system also includes integrated payment processing and QR code scanning for enhanced safety and efficiency.

**Highlights:** Delivery tracking, Optimized routing, Turn-by-turn directions, Proof-of-delivery signatures, Payment collection, QR code scanning, In-store synchronization

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

**In-app purchases:** none


## Frequently asked questions

### Is Hampton E85 Mix Calculator free?

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

### Is Razor Delivery free?

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

### Which has better reviews, Hampton E85 Mix Calculator or Razor Delivery?

Hampton E85 Mix Calculator and Razor Delivery are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Hampton E85 Mix Calculator or Razor Delivery have ads?

Neither Hampton E85 Mix Calculator nor Razor Delivery shows ads.

### Which is updated more often, Hampton E85 Mix Calculator or Razor Delivery?

Hampton E85 Mix Calculator ships an update every 5 weeks, and Razor Delivery every 3 weeks. Most recently, Hampton E85 Mix Calculator was updated on September 22, 2026 and Razor Delivery on September 19, 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.*