# TwoCycleGas — OIL & GAS 4 2-CYCLE ENGINES

> Calculator for precise 2-cycle engine fuel and oil mixtures. (iPhone/iPad app by Robert Linser.)

- Source: https://appshunter.io/ios/app/twocyclegas/id6753926303 (this page in markdown: same URL + `.md`)
- Developer: [Robert Linser](https://appshunter.io/developer/1845732245)
- Category: Utilities
- Price: $1.99 (on sale, was $3.99)
- Rating: 5.00/5 from 3 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 69 MB
- Languages: American English
- Released: 2025-10-28
- Data updated: 2026-08-03
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/twocyclegas/id6753926303/reviews.md

## What is TwoCycleGas?

Take control of your 2-cycle engine maintenance with twoCycle, the comprehensive fuel and oil mixture calculator designed for precision and ease of use. An incorrect fuel mix can damage your engine, but twoCycle ensures you get it right every single time.

PERFECT MIXES, EVERY TIME Simply input your fuel amount and ratio to instantly see the exact quantity of oil required. Our clean interface makes calculations effortless, saving you time and preventing costly mistakes.

ADVANCED CUSTOMIZATION

Full Unit Support: Seamlessly switch between US Gallons (fluid ounces) and Liters (milliliters).
Custom Ratio & Additive Library: Go beyond the defaults. Create, save, and manage your own library of custom mixture ratios and additives like fuel stabilizers. The app saves everything for you.
Fraction or Decimal Results: Prefer to measure in fractions? The results modal lets you toggle between decimal output and easy-to-read stacked fractions (e.g., 2 1/2 oz).
IDEAL FOR ALL YOUR EQUIPMENT Perfect for landscapers, homeowners, and hobbyists using:

Chainsaws & Concrete Saws
Leaf Blowers & String Trimmers
Dirt Bikes, Go-Karts & Mopeds
And any other 2-stroke engine!
Stop doing math on a notepad. Download twoCycle and mix with absolute confidence.

## Key features

- Fuel and oil mixture calculator
- Customizable ratios and additives
- US Gallons and Liters support
- Fraction or decimal results
- Saves custom mixtures

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/twocyclegas/id6753926303/reviews.md

### 5/5 — Winterizing

*2025-12-03*

I use the app to add fuel stabilizer for long term winter storage of my lawn mower and for my snowmobile that was stored over the summer!

### 5/5 — 1985 Merc Motor

*2025-11-14*

I use this to mix 91 non-oxy w quick silver two stroke and Seafoam.  Makes the job easy and accurate. No need to put in my cheaters either!

### 5/5 — I like it

*2025-11-03*

Easy mixin for my bikes

### 5/5 — Stopped My Jet Ski Ticking Instantly!

*2025-10-29*

Works great and is definitely worth having! I used it to dial in fuel additives for my jet ski, and the correct mix helped eliminate an annoying ticking noise.

## Frequently asked questions about TwoCycleGas

### What is TwoCycleGas used for?

TwoCycleGas is a utility app designed to help users accurately calculate the correct fuel and oil mixture for 2-cycle engines. It ensures precise ratios to prevent engine damage and costly mistakes.

### How does TwoCycleGas ensure accurate fuel mixes?

Users input their desired fuel amount and ratio, and the app instantly calculates the exact quantity of oil required. It offers both decimal and fractional results for easy measurement.

### Can I save my own custom fuel ratios in TwoCycleGas?

Yes, TwoCycleGas allows you to create, save, and manage a library of your own custom mixture ratios and additives, such as fuel stabilizers, for future use.

### What units does TwoCycleGas support for measurements?

The app provides full unit support, allowing you to seamlessly switch between US Gallons (fluid ounces) and Liters (milliliters) for your calculations.

### What types of equipment is TwoCycleGas ideal for?

TwoCycleGas is ideal for a wide range of 2-stroke engines, including chainsaws, leaf blowers, string trimmers, dirt bikes, go-karts, mopeds, and concrete saws.

### Is TwoCycleGas available on Android devices?

Based on the provided data, TwoCycleGas is currently supported on iPhone and iPod devices. Information regarding Android availability is not specified.

### How often is TwoCycleGas updated?

The latest version of TwoCycleGas is 1.3, which was last updated on December 3, 2025. This indicates active development and maintenance for the application.

### Does TwoCycleGas have ads?

No, TwoCycleGas does not contain advertisements. The app is ad-free, providing an uninterrupted user experience.

## Version history (last 2 releases)

### 1.3 — 2025-12-03

A new ratio option, 0:1 (None), has been added. Selecting this will hide the oil ratio in the results display. This is especially useful if you don’t have a 2‑cycle engine but still use a fuel stabilizer with 4‑stroke engines—for winterizing, seasonal use, or long‑term storage. By default, additives are toggled on!

### 1.0 — 2025-10-29

No release notes.

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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 2026-08-03.*