Best 2 Stroke Ratios Apps

39+ iOS apps curated and reviewed

3.7 avg rating

17 free apps

Updated August 2026

Looking for free 2 stroke ratios apps? 17 of our 39+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top 2 Stroke Ratios Apps (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Two Stroke Mix Calculator	Free	4.9★ (54)	No	Yes	Aug 2026
2	2 Stroke Ratios	Free	1.0★ (1)	No	No	May 2026
3	Castrol 2TRatio	Free	3.0★ (4)	No	No	May 2026
4	2-Stroke-Mix	Free	3.0★ (2)	No	No	May 2026
5	Premix Calculator (2 Stroke)	Free	4.1★ (9)	No	Yes	Aug 2026
6	2T OilMixer	$0.99	5.0★ (2)	No	No	May 2026
7	Fuel Oil Mix Calculator	Free	—	Yes	No	May 2026
8	2TExc - 2T Exhaust Calculator	$5.99 was $17.99	—	No	Yes	Sep 2026

Top Picks for 2 Stroke Ratios

Two Stroke Mix Calculator by Peter Leahy

Manage your premix fuel/gas

Editor's Choice

🔧 Utilities

4.9(54 ratings)

FreeIn-App Purchases

This app simplifies the process of mixing 2-stroke fuel for various engines. It calculates the precise amount of oil needed for any fuel quantity and ratio, and helps track stored fuel freshness and expiry dates.

2 Stroke Ratios by Penrite Oil Company

Oil calculator for 2 stroke

Strong Contender

🔧 Utilities

1.0(1 ratings)

Free

This utility calculates the precise amount of oil needed for 2-stroke engines. It simplifies the process of mixing fuel and oil for optimal engine performance.

Castrol 2TRatio by Castrol Australia Pty Ltd

Worth Considering

🔧 Utilities

3.0(4 ratings)

Free

Easily calculate the precise oil-to-fuel ratio for your 2-stroke engines. This tool is perfect for motorcycles, boats, lawnmowers, and garden equipment, ensuring you use the correct mix as recommended by manufacturers.

More 2 Stroke Ratios apps to explore

2-Stroke-Mix

by Alexander Quast

Free

This utility app helps you calculate the precise amount of oil needed for your 2-stroke gasoline engine. It supports various standard mixes and allows you to create and save custom ratios for different engines and canister sizes. You can also switch between imperial and metric units.

Calculates oil for 2-stroke gasolineSupports standard mix ratios (50:1, 40:1, etc.)Create and save custom mixes

🔧 Utilities

(2)

free

Premix Calculator (2 Stroke)

Calculate 2 stroke engine fuel

Free

Easily calculate the correct fuel-to-oil ratio for your 2-stroke engine. Input your desired mix and fuel amount to get the precise oil quantity needed, preventing engine damage and ensuring smooth operation. Includes helpful articles and guides.

Calculate optimal fuel-to-oil mix ratioUse premix chart for quick oil quantity lookupRead informative articles on 2-stroke premixing

🔧 Utilities

(9)

free with in-app purchases

2T OilMixer

An easy to use oil ratio calc

$0.99

Easily calculate the correct oil-to-fuel ratio for your engine to prevent emissions and spark plug fouling. Adjust amounts precisely using sliders and buttons, and switch between metric and imperial units.

Calculate oil-to-fuel ratiosAdjust amounts with slidersMetric/Imperial unit selection

🔧 Utilities

(2)

paid

Fuel Oil Mix Calculator

2-Stroke Mix Oil Calculator

Free

🔧 Utilities

(0)

2TExc - 2T Exhaust Calculator

Two-Stroke Engine Tuning Tool

2-Stroke Mix Calculator

Free

🔧 Utilities

(0)

QMD4 Stroke Trainer/Analyzer

For a smooth, straight stroke

Free

This app analyzes your billiards stroke using a Bluetooth-enabled device attached to your cue. It provides detailed 3D stroke information, playback, velocity charts, and instant audible alerts to help you identify and fix flaws.

Bluetooth cue attachment3D stroke data transmissionAutomatic shot recording/playback

OIL & GAS 4 2-CYCLE ENGINES

$1.99

$3.99 | 50% OFF

Easily calculate precise fuel and oil mixtures for 2-cycle engines. Avoid engine damage with accurate calculations for various equipment. Supports custom ratios and units.

Fuel and oil mixture calculatorCustomizable ratios and additivesUS Gallons and Liters support

A : B = C : X To find X

Free

This utility calculates unknown values in aspect ratios, useful for resizing images and clipping. It simplifies the process of determining proportional dimensions for various visual applications.

Calculate unknown aspect ratio valuesInput numbers for calculationResizing images

by HNR Tech Private Limited

A Better Class of Oil

Free

Find the right oil and filter for your vehicle with this comprehensive guide. It also includes a store locator to help you find where to purchase products.

Oil and filter recommendationsBuilt-in store locatorVehicle product guide

This app acts as a stroke rate meter for coaches and spectators in water sports like rowing and canoeing. It audibly announces the measured stroke rate per minute, simplifying the monitoring process for users.

Measures stroke rate per minuteReads stroke rate aloud via text-to-speechCustomizable voice output settings

by GUD Automotive Pty Ltd

Free

Find the right automotive filter for your vehicle with an extensive range designed for tough Australian conditions. Easily search by registration, VIN, or vehicle type to ensure superior protection for your 4x4, daily driver, or commercial vehicle.

Rego and VIN searchesVehicle application searchSave favorite vehicles and filters

A Better Class of Oil

Free

This app helps users find the right oil and lubricant products for their vehicles. It provides recommendations based on specific vehicle information, ensuring optimal performance and maintenance.

Product recommendationsVehicle specific searchGPC store information

Simple ratio calculator

Formula Saving Functionality

Free

Easily calculate and save frequently used ratios with a clean, user-friendly interface. Ideal for scientific experiments, cooking, and design projects, this tool simplifies proportion management for enhanced learning and hobbies.

User-friendly, simple UIFormula saving functionalityRatio calculation for experiments

A Better Class of Oil

Free

🔍 Reference

(0)

FAQ about 2 Stroke Ratios

What are the best 2 stroke ratios apps for iPhone?

Two Stroke Mix Calculator tops our 2 stroke ratios apps ranking as of August 2026, with a 4.9-star average from 54 App Store ratings, and it's free to download.

Are there free 2 stroke ratios apps for iPhone?

Yes — 17 of the top 2 stroke ratios apps we rank are free to download, including Two Stroke Mix Calculator and 2 Stroke Ratios.

Does Two Stroke Mix Calculator have ads or in-app purchases?

Two Stroke Mix Calculator has no ads and offers in-app purchases, according to its App Store listing as of August 2026.

How many 2 stroke ratios apps are on the App Store?

We track 39+ 2 stroke ratios apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

What is the Two Stroke Mix Calculator app?

The Two Stroke Mix Calculator app helps you accurately calculate and manage premix fuel for your 2-stroke engines. It supports various ratios and helps track fuel freshness.

How does the Two Stroke Mix Calculator work?

You enter the total fuel amount and your desired oil-to-fuel ratio (e.g., 50:1), and the app instantly calculates the exact amount of oil to add. It also allows you to save custom mixes and track their expiry.