Best Ratio Fuel Apps

250+ iOS apps curated and reviewed

4.6 avg rating

19 free apps

Updated August 2026

Fuel Right is the household name in ratio fuel, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Ratio Fuel Apps (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Fuel Right	Free	5.0★ (3)	No	No	May 2026
2	Two Stroke Mix Calculator	Free	4.9★ (54)	No	Yes	Aug 2026
3	2T OilMixer	$0.99	5.0★ (2)	No	No	May 2026
4	Fuel Oil Mix Calculator	Free	—	Yes	No	May 2026
5	Race Fuel Finder	Free was $2.99	—	No	No	Jun 2026
6	Fuel Pass BD	Free	—	No	No	Jun 2026
7	Castrol 2TRatio	Free	3.0★ (4)	No	No	May 2026
8	Plociniak Fuel Services	Free	—	—	No	Aug 2026

Top Picks for Ratio Fuel

#1

Fuel Right by Fuel Right Canada Limited

Fuel Right

Editor's Choice

📚 Education

5.0(3 ratings)

Free

Fuel Right screenshot 1

Fuel Right screenshot 2

Fuel Right screenshot 3

This tool simplifies calculating fuel additive mixture ratios. Users can select their preferred units of measure to easily determine the correct quantities for treating fuel volumes.

#2

Two Stroke Mix Calculator by Peter Leahy

Manage your premix fuel/gas

Strong Contender

🔧 Utilities

4.9(54 ratings)

FreeIn-App Purchases

Two Stroke Mix Calculator screenshot 1

Two Stroke Mix Calculator screenshot 2

Two Stroke Mix Calculator screenshot 3

Two Stroke Mix Calculator screenshot 4

Two Stroke Mix Calculator screenshot 5

Two Stroke Mix Calculator screenshot 6

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.

#3

2T OilMixer by SPAZA DOT TECH (PTY) LTD

An easy to use oil ratio calc

Worth Considering

🔧 Utilities

5.0(2 ratings)

$0.99

2T OilMixer screenshot 1

2T OilMixer screenshot 2

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.

More Ratio Fuel apps to explore

Fuel Oil Mix Calculator

Fuel Oil Mix Calculator

Fuel Oil Mix Calculator

2-Stroke Mix Oil Calculator

Race Fuel Finder

Race Fuel Finder

Race Fuel Finder

by Pinjo Kakkassery

$2.99 | 100% OFF

🗺️ Navigation

Smart fuel tracking for BD

Castrol 2TRatio

Castrol 2TRatio

Castrol 2TRatio

by Castrol Australia Pty Ltd

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.

Calculate oil-to-fuel ratioSupports motorcycles, outboards, lawnmowersAdjustable fuel slider

Plociniak Fuel Services

Plociniak Fuel Services

Plociniak Fuel Services

Carb Cheater 2.0

Carb Cheater 2.0

Carb Cheater 2.0

Interface for Carb Cheater

Monitor and automatically adjust your engine's fuel mixture in real-time. Connect wirelessly to compatible hardware to view live engine data, log performance, and fine-tune settings for optimal performance.

Real-time engine data monitoringAutomatic fuel mixture adjustmentLive gauge displays

Fuel Rewards® program

Fuel Rewards® program

Fuel Rewards® program

Save money on fuel with a free loyalty program. Earn rewards on purchases, dining, and travel to get discounts on every fill-up at participating stations. Track your savings and find nearby locations.

Track rewards balance and tier statusActivate offersLink credit/debit cards for earning

🛍️ Shopping

Kirkuk Fuel Reminder

Kirkuk Fuel Reminder

Kirkuk Fuel Reminder

Never Miss a Refueling Day!

This app helps vehicle owners in Kirkuk remember their designated refueling days based on local regulations. It simplifies managing your fuel schedule to avoid missing important refueling opportunities.

Fueling day remindersVehicle owner assistanceSimplified schedule management

The right fuel for your car!

Pay @ Phillips 66, Conoco & 76

Pay for fuel conveniently and securely from your driver's seat at participating gas stations. Save money with exclusive promotions and track your loyalty points. Find stations, view prices, and manage your transaction history all within the app.

Convenient mobile payments at the pumpSave on fuel and access promotionsSecure mobile wallet transactions

Fuel Discounts & AI Assist

This app helps drivers save money on fuel with nationwide discounts and an AI assistant to find the cheapest gas. It offers smart route planning and instant savings at thousands of stations.

Nationwide fuel discountsAI assistant for cheapest fuelSmart fuel planning

🗺️ Navigation

This app provides on-demand fuel delivery directly to your vehicle. Easily request petrol or diesel, track deliveries in real-time, and manage multiple vehicles for a convenient fueling experience.

Instant fuel requestsReal-time delivery trackingManage multiple vehicles

Pearson Fuels - E85 Stations

Pearson Fuels - E85 Stations

Pearson Fuels - E85 Stations

E85 Flex Fuel for California

Discover E85 Flex Fuel stations across California. View real-time pricing, find nearby locations, and check vehicle compatibility. Stay informed about new stations, events, and promotions.

Locate E85 Flex Fuel stationsView real-time station pricesCheck vehicle compatibility

Fuel Tank Charts

Fuel Tank Charts

Fuel Tank Charts

Fuel Haulers Pocket Charts

This utility app provides fuel haulers with quick access to tank charts and loading weights for diesel and gasoline. It allows users to reference stick readings for tank ullage at specific percentages and customize stick increments for precise measurements.

Tank chart lookupDiesel/Gasoline loading weightsUllage reference (90%/95%)

Holliday's Fuel

Holliday's Fuel

Holliday's Fuel

Mobile fueling made easy

AtoB: Find and Save on Fuel

AtoB: Find and Save on Fuel

AtoB: Find and Save on Fuel

Make an impact on fuel costs

This app helps users find significant discounts on diesel and unleaded fuel at various stations. It offers route planning with discount optimization and seamless navigation integration. Additionally, it provides robust fleet management tools for controlling spending and managing finances.

Fuel discounts on diesel and unleadedFuel discount station locatorRoute planning with discount optimization

🗺️ Navigation

PROFLEX Connect

PROFLEX Connect

PROFLEX Connect

Advanced Fuel Dynamics

This app allows you to monitor your vehicle's fuel system performance in real-time. It displays device settings and helps locate nearby E85 fuel stations for convenient ethanol blending.

Real-time device setting displayE85 station locatorFuel ratio monitoring

FAQ about Ratio Fuel

What are the best ratio fuel apps for iPhone?

Fuel Right tops our ratio fuel apps ranking as of August 2026, with a 5.0-star average from 3 App Store ratings, and it's free to download.

Are there free ratio fuel apps for iPhone?

Yes — 19 of the top ratio fuel apps we rank are free to download, including Fuel Right and Two Stroke Mix Calculator.

Does Fuel Right have ads or in-app purchases?

Fuel Right has no ads and has no in-app purchases, according to its App Store listing as of August 2026.

How many ratio fuel apps are on the App Store?

We track 250+ ratio fuel apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

How does Fuel Right calculate mixture ratios?

Fuel Right uses your input for fuel volume and desired additive concentration to calculate the precise amount of additive needed. You can select your preferred units of measure for convenience.

What units of measure does Fuel Right support?

The app allows users to select their preferred units of measure, making it adaptable to different regional standards and personal preferences for calculating quantities.