# Gas Mix - 2 Cycle Fuel Mix Calculator

> Calculates 2-cycle fuel and oil mixtures with custom presets and history tracking. (iPhone/iPad app by Ultra Software Solutions, LLC.)

- Source: https://appshunter.io/ios/app/gas-mix-2-cycle-fuel-mix-calculator/id313112382 (this page in markdown: same URL + `.md`)
- Developer: [Ultra Software Solutions, LLC](https://appshunter.io/developer/311196038)
- Category: Navigation, Reference
- Price: $0.99
- Rating: 3.50/5 from 6 App Store ratings · 16 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 1 MB
- Languages: English
- Released: 2009-04-29
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/gas-mix-2-cycle-fuel-mix-calculator/id313112382/reviews.md

## What is Gas Mix?

Do you "Pre-Mix" Oil with Gasoline? 
 If so, you will find Gas Mix is the Quick, Easy, and Accurate way to store and calculate your mixes!  

 First, you create your presets, with descriptive names and their mix ratios.  Then you can easily find the Gas amount for a given amount of Oil, or the Oil amount for a given amount of Gas.  You can add the mix to history to keep track of the age and how often you have mixed.  Finally, you can save notes such as repairs or motor oil changes, for each preset.

 Gas Mix now supports all the common units: U.S. Gallons, Imperial Gallons, Liters, Ounces and MilliLiters.  You can even choose to enter your Gas in U.S. Gallons and it will find Oil amount in Milliliters!

 Use Gas Mix for all your 2-cycle powered engines:
-Outboard Boat Engines
-Lawnmowers 
-Chainsaws 
-Motorcycles
-Karts
-Snow Blowers
-Weed Trimmers
-ATVs 
-Racing / Hi-Performance Engines
-And More...

And Why Should You Care?
Because the longevity of your small engine relies on mixing fuel in the proper proportion. Excessive oil may cause fouled spark plugs, poor performance, smoke and carbon build-up. Not enough oil, will reduce the lifetime of the engine, from poor lubrication of the piston and cylinder walls. With this app, you are sure to mix correctly.

## Key features

- Customizable mix ratio presets
- Calculate gas or oil amounts
- Mixing history tracking
- Save notes for engine maintenance
- Supports multiple measurement units
- Cross-unit calculations

## Recent user reviews (10 of 16)

All indexed reviews: https://appshunter.io/ios/app/gas-mix-2-cycle-fuel-mix-calculator/id313112382/reviews.md

### 3/5 — Should put ratio on the same screen as gas and oil volumes

*2022-08-23*

Works good. I wish I could have the ratio adjustable on tbd same screen as oil and gas volume

### 5/5 — Actually a great app!

*2020-08-01, version 5.0.0*

Great app! The new version works really well, and I like that it has Litres for me in Australia! Use it often.

### 2/5 — Fuel in ounces

*2020-02-25*

Need to calculate fuel in ounces for small batches sometimes. Wish this app could.

### 2/5 — Calculates ok but amping

*2018-11-07*

This is nice to keep track of equipment but every time you bring up a piece of equipment the gallon amount is some odd amount instead of 1 gal and when you change it the next time it is something else

### 5/5 — It is a wonderful app

*2018-04-29*

I use it to get the correct oil/fuel ratio for my Yamaha Banshee and it’s works great! Convenient and easy to use!

### 4/5 — Great App

*2017-03-15, version 5.0.0*

Miss the original start up, but great app for keeping track of mixtures and maintenance. Thank You

### 4/5 — Features are AWESOME, but....

*2016-06-07*

Downloaded, LOVE the ability to save multiple mixes for different rigs, (chainsaw, dirt bike, weed eater, etc)....

*** EDIT***

Contacted programmer, they are aware of the iOS 9.x clunkiness and are working on it, iOS 9.x compatibility update coming very soon. Great prompt customer service. A+

### 1/5 — Crap

*2012-08-22*

Don't buy this app. For 2 dollars buy a cookie it will be more satisfying and teach you more about at 2 stroke engines and oil to fuel mixtures. Seriously I want my money back

### 1/5 — Meh

*2011-06-20, version 1.2*

Thought it would be fun and more interactive not at all!!!!

### 5/5 — Good app

*2010-12-22, version 1.2*

Good app for us Aussie users with litres. Thanx. Btw liters is spelt litres.

## Frequently asked questions about Gas Mix

### What is the price of Gas Mix?

Gas Mix is a paid application, priced at $0.99. This one-time purchase grants you access to all its features for calculating 2-cycle fuel mixes.

### Does Gas Mix have ads?

No, Gas Mix is ad-free. You can use the application without any interruptions from advertisements, ensuring a clean and focused user experience.

### What devices does Gas Mix support?

Gas Mix is available for iPhone and iPod devices. It is designed to run on these Apple mobile platforms.

### How often is Gas Mix updated?

The latest version of Gas Mix is 5.0.0, last updated on August 4, 2015. While the app has not been updated recently, its core functionality remains reliable for its intended purpose.

### What is the age rating for Gas Mix?

Gas Mix has an age rating of 4+. This indicates that the app is suitable for users of all ages, with no content restrictions.

### Can I track my past fuel mixes with Gas Mix?

Yes, Gas Mix allows you to add your mixes to a history log. This feature helps you keep track of the age and frequency of your fuel mixtures for each preset.

### Does Gas Mix support different measurement units?

Absolutely. Gas Mix supports common units like U.S. Gallons, Imperial Gallons, Liters, Ounces, and Milliliters, offering flexibility in your calculations.

### What kind of engines can I use Gas Mix for?

Gas Mix is designed for all 2-cycle powered engines, including outboard boat engines, lawnmowers, chainsaws, motorcycles, karts, snow blowers, weed trimmers, ATVs, and racing engines.

## Version history (last 5 releases)

### 5.0.0 — 2015-08-04

This app has been updated by Apple to display the Apple Watch app icon.

Completely New. New Name. New Icon. New App.
Unlimited Presets, with Notes section for each Preset you create.
US Gallons, Imp Gallons, Ounces, and mL. Gas to Oil, Oil to Gas.
**Note to Current v4 Users** - This update will not import your existing settings, due to major changes in the way data is loaded and saved.  Please copy your ratios and copy your notes before applying this update.  Future versions will not lose your data, sorry for any inconvenience, but this update is worth the effort.

### 4.0.1 — 2011-12-08

Fixed bug when editing history.
iOS5 Tested.

### 4.0.0 — 2011-09-20

+ Updated User Interface
+ Gas to Oil, Oil to Gas Calculator
+ Keyboard Entry with decimal
+ Retina Display Support
+ Engine Simulator

### 1.2 — 2009-11-14

- Premix Presets have been removed for this version, if you need them, do not do this update.

+ Added Sounds
+ Better Graphics
+ New Entry support fractions like 2.75 or 11.8
+ Animated Piston
+ Wider Ratios 8:1-99:1

### 1.1 — 2009-05-16

* Four  "Gas Can" customizable Presets.
* Pre-mix Presets hold a record of your Fuel mixtures.
* Gas mix date and the number of days old.
* Range Expanded: 0.1 to 100 Gallons (or Liters)

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All apps by Ultra Software Solutions, LLC: https://appshunter.io/developer/311196038

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*