Best Fuel Calculator Efficiency Apps

197+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated May 2026

ClevCalc is the household name in fuel calculator efficiency, but it's far from the only option. We track 197+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Fuel Calculator Efficiency Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ClevCalc - CalculatorClevCalc - CalculatorFree4.7★ (12K)YesYesJul 2026
2Calculator‰Calculator‰Free4.9★ (404K)YesNoJul 2026
3The Fuel CalculatorThe Fuel CalculatorFreeNoNoMay 2026
4Fuelly: MPG & Service TrackerFuelly: MPG & Service TrackerFree4.7★ (28K)NoYesJul 2026
5Simple Fuel Calculator (USA)Simple Fuel Calculator (USA)Free5.0★ (6)NoNoJul 2026
6Fuel Calculator+Fuel Calculator+FreeYesNoMay 2026
7Fuel Tracker Gas & Mileage LogFuel Tracker Gas & Mileage LogFree4.5★ (608)NoYesJul 2026
8QuickMPG - gas mileage calculatorQuickMPG - gas mileage calculatorFree2.0★ (10)NoNoMay 2026

Top Picks for Fuel Calculator Efficiency

ClevCalc - Calculator#1

ClevCalc - Calculator by Cleveni Inc.

All-In-One Calculator
Editor's Choice
📊 Productivity
4.7😊(12K ratings)
FreeAdsIn-App Purchases
ClevCalc - Calculator screenshot 1
ClevCalc - Calculator screenshot 2
ClevCalc - Calculator screenshot 3
ClevCalc - Calculator screenshot 4
ClevCalc - Calculator screenshot 5
ClevCalc - Calculator screenshot 6

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient calculations
  • 💡 Versatile features (currency, unit conversions, etc.)
  • 👍 Intuitive interface

Room to Improve

  • 💰 Subscription model too expensive
  • 🔍 Ads can be intrusive
  • 🐛 Occasional UI issues (e.g. ads blocking functionality)
Calculator‰#2

Calculator‰ by Tim O's Studios, LLC

Default Calculator
Strong Contender
🔧 Utilities
4.9😊(404K ratings)
FreeAds
Calculator‰ screenshot 1
Calculator‰ screenshot 2

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

What We Love

  • 👍 Easy to use
  • 👍 Large, clear buttons
  • 👍 Accurate calculations
  • 👍 Simple, no-frills design

Room to Improve

  • 🔍 Lack of advanced features
  • 💰 Ads can be intrusive
  • 🔒 Concerns about security/malware

More Fuel Calculator Efficiency apps to explore

4
Fuelly: MPG & Service Tracker
Fuelly: MPG & Service Tracker
Fuelly: MPG & Service Tracker
MPG, Mileage & Fuel Economy
Free

Track your vehicle's fuel economy and maintenance history. Set reminders for essential services like oil changes and tire rotations to help you save money. Seamlessly sync your data with the web platform for comprehensive vehicle management.

Tracks gas mileage and vehicle maintenanceCustomizable service remindersOnline sync to Fuelly.com
💰 Finance
(28K)
freemium
5
Simple Fuel Calculator (USA)
Simple Fuel Calculator (USA)
Simple Fuel Calculator (USA)
Calculates fuel usage and cost
Free

This application helps users calculate their fuel consumption and associated costs. It utilizes standard units commonly used in the USA, such as miles, dollars, and U.S. gallons.

Fuel consumption calculationCost calculationUses US standard units (miles, $, gallons)
✈️ Travel
(6)
free
6
Fuel Calculator+
Fuel Calculator+
Fuel Calculator+
Easily calculate fuel cost.
Free
🔧 Utilities
(0)
7
Fuel Tracker Gas & Mileage Log
Fuel Tracker Gas & Mileage Log
Fuel Tracker Gas & Mileage Log
Monitor car fuel expenses
Free

Easily track your vehicle's fuel consumption and mileage. Log gas purchases, calculate fuel economy, and view detailed statistics and plots of your driving data. Supports multiple units and data synchronization.

Track fuel log (quantity, price, odometer)Calculate gas mileage and costView statistics and plots
🔧 Utilities
(608)
freemium
8
QuickMPG - gas mileage calculator
QuickMPG - gas mileage calculator
QuickMPG - gas mileage calculator
by Steven Romej
Free

Easily calculate your vehicle's gas mileage on a single screen. Track your fuel efficiency over time with historical data and quick comparison features. Ideal for anyone needing a straightforward way to monitor MPG.

One-screen calculationHistorical MPG dataQuick comparison of ratings
🔧 Utilities
(10)
free
9
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
10
Road Trip MPG Lite
Road Trip MPG Lite
Road Trip MPG Lite
MPG and Mileage Tracking
Free

Easily track your car's mileage, fuel economy, and maintenance expenses. This app offers fast data entry, comprehensive statistics, and international support for various units. It allows unlimited data saving and seamless upgrades to a full version.

Fast fuel, price, and odometer inputSingle-touch fuel entryFuel price/mileage graphing
💰 Finance
(44)
free
11
Gas Mileage Calculator and Log
Gas Mileage Calculator and Log
Gas Mileage Calculator and Log
Fuel Economy Tracker MPG & KM
Free

Easily track your vehicle's fuel efficiency by logging trip distance and fuel pumped. Compare MPG across different driving methods and multiple vehicles to optimize your gas usage. Data is stored locally for privacy and accessibility.

Record fuel efficiency (MPG)Log trip distance and fuel pumpedTrack multiple vehicles
🔧 Utilities
(377)
free with in-app purchases
12
Roadtrip Gas Price Calculator
Roadtrip Gas Price Calculator
Roadtrip Gas Price Calculator
Split the cost of fuel!
Free

Effortlessly calculate your road trip expenses, including fuel costs based on your car model and current gas prices. Easily split costs with friends, compare routes for savings, and track your carbon emissions for a more eco-conscious journey.

Calculate fuel costsSplit expenses with friendsCompare routes for savings
✈️ Travel
(218)
free with in-app purchases
13
Two Stroke Mix Calculator
Two Stroke Mix Calculator
Two Stroke Mix Calculator
Manage your premix fuel/gas
Free

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.

Quick mix calculationTrack stored fuel profilesFuel age and expiry tracking
🔧 Utilities
(54)
free
14
Car Care fuel & service log
Car Care fuel & service log
Car Care fuel & service log
Fuel economy & service tracker
$2.99

Easily track fuel economy and vehicle maintenance for all your cars. Get customizable reminders for scheduled service to keep your automobiles performing at their best. This user-friendly app helps you manage all your vehicle's data digitally.

Track multiple automobilesCalculate fuel economy (MPG, L/100 km, etc.)Fuel economy reporting and graphing
💰 Finance
(129)
paid
15
Mil Fuel Check
Mil Fuel Check
Mil Fuel Check
Aviation Fuel Monitor App
$4.99

This aviation fuel monitoring tool helps pilots track fuel burn with precise, second-by-second calculations. It offers customizable reserve times, bingo fuel settings, and UI themes for efficient flight management.

Adjustable reserve times (VFR/IFR)Customizable bingo fuel settingsPop-up notification timers
📊 Productivity
(20)
paid
16
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Optional RPN modeMultiple undo and redoUnit conversions and constants
🔧 Utilities
(214)
free with in-app purchases
17
Mila's Fuel & EV Converter
Mila's Fuel & EV Converter
Mila's Fuel & EV Converter
Gas Mileage & MPG Calculator
Free

Easily compare fuel economy across different global standards for both combustion and electric vehicles. This tool converts between 13 units, allowing you to understand MPG, km/L, L/100km, mi/kWh, and more.

Converts 13 fuel economy unitsSupports combustion and electric vehiclesFavorites for frequently used units
🔧 Utilities
(5)
free with in-app purchases
18
Airline Fuel Helper
Airline Fuel Helper
Airline Fuel Helper
Fuel helper app for airlines.
Free

This app assists aircraft fuelers and mechanics in calculating fuel figures for aircraft logs. It simplifies complex calculations, includes unit conversions, and predicts fuel uplift, ensuring accuracy for daily operations.

Aircraft fuel figure calculationTechnical log data entryUS Gallons to Litres converter
🔧 Utilities
(4)
free
19
CalcBox -All in One Calculator
CalcBox -All in One Calculator
CalcBox -All in One Calculator
Multipurpose calculator
Free

This app combines numerous essential calculation tools into a single, user-friendly interface. It handles everything from basic arithmetic and unit conversions to financial planning, health tracking, and academic performance. Simplify your daily tasks with this comprehensive utility.

Basic and scientific calculationsExtensive unit and currency conversionFinancial calculators (loan, deposit, tip, discount)
🔧 Utilities
(347)
free with in-app purchases
20
Spritmonitor - fuel log, MPG
Spritmonitor - fuel log, MPG
Spritmonitor - fuel log, MPG
Mileage log, consumption,costs
Free

Log your vehicle's fuel consumption, expenses, and maintenance reminders. Compare your efficiency with others and track tire usage. Supports all engine types and offers offline mode with synchronization.

Log fuel-ups, expenses, and remindersManage multiple vehiclesOffline mode with synchronization
💰 Finance
(39)
free with in-app purchases

FAQ about Fuel Calculator Efficiency

What are the best fuel calculator efficiency apps for iPhone?
ClevCalc - Calculator tops our fuel calculator efficiency apps ranking as of May 2026, with a 4.7-star average from 12K App Store ratings, and it's free to download.
Yes — 18 of the top fuel calculator efficiency apps we rank are free to download, including ClevCalc - Calculator and Calculator‰.
ClevCalc - Calculator shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 197+ fuel calculator efficiency apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
ClevCalc is an all-in-one calculator application designed to handle a wide array of everyday calculations. It includes basic and scientific arithmetic, unit and currency conversions, and specialized calculators for loans, health metrics, fuel costs, GPA, and more, all presented in a clean interface.
Key features include a scientific calculator with trigonometric and logarithmic functions, a unit converter for various measurements, a real-time currency converter, a loan calculator, a health calculator for BMI and BMR, a date calculator, and a GPA calculator. It also offers specialized tools like discount, sales tax, and tip calculators.