Best Gas Cost Calculator Apps

249+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated October 2026

If you already know Roadtrip Gas Price Calculator, this is the deeper bench. 249+ gas cost calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Gas Cost Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Roadtrip Gas Price CalculatorRoadtrip Gas Price CalculatorFree4.7★ (308)NoYesOct 2026
2Gas Cost CalculatorGas Cost CalculatorFree—NoNoAug 2026
3Simple Fuel Calculator (USA)Simple Fuel Calculator (USA)Free5.0★ (6)NoNoJul 2026
4Fuelly: MPG & Service TrackerFuelly: MPG & Service TrackerFree4.7★ (29K)NoYesOct 2026
5GasCap — Gas Cost CalculatorGasCap — Gas Cost CalculatorFree5.0★ (1)NoYesAug 2026
6GasBuddy: Find & Pay for GasGasBuddy: Find & Pay for GasFree4.7★ (448K)YesNoOct 2026
7FuelPilot: Gas Cost CalculatorFuelPilot: Gas Cost CalculatorFree—NoYesJul 2026
8Splitcar - Gas cost calculatorSplitcar - Gas cost calculatorFree5.0★ (1)NoYesMay 2026

Top Picks for Gas Cost Calculator

Roadtrip Gas Price Calculator#1

Roadtrip Gas Price Calculator by Ben Robertson

Split the cost of fuel!
Editor's Choice
✈️ Travel
4.7😐(308 ratings)
FreeIn-App Purchases
Roadtrip Gas Price Calculator screenshot 1
Roadtrip Gas Price Calculator screenshot 2
Roadtrip Gas Price Calculator screenshot 3
Roadtrip Gas Price Calculator screenshot 4

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.

What We Love

  • 👍 Helpful for planning trips
  • 🚀 Accurate fuel cost estimates
  • 💡 Useful for splitting costs with friends
  • 🚗 Integrates with vehicle details
  • 📊 Provides good overview of trip costs

Room to Improve

  • 💰 Requires subscription for basic features
  • 🐛 Inaccurate or missing fuel price data
  • 🚧 Difficult to add/remove vehicles
  • 🗺️ Limited location/destination coverage
  • 💻 Glitchy and buggy performance

More Gas Cost Calculator apps to explore

FAQ about Gas Cost Calculator

What are the best gas cost calculator apps for iPhone?
Roadtrip Gas Price Calculator tops our gas cost calculator apps ranking as of October 2026, with a 4.7-star average from 308 App Store ratings, and it's free to download.
Yes — 19 of the top gas cost calculator apps we rank are free to download, including Roadtrip Gas Price Calculator and Gas Cost Calculator.
Roadtrip Gas Price Calculator has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ gas cost calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.