Best Gas Cost Calculator Apps

246+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated October 2026

If you already know Roadtrip, this is the deeper bench. 246+ 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 Cost CalculatorRoadtrip: Gas Cost CalculatorFree4.7★ (311)NoYesOct 2026
2Gas Cost CalculatorGas Cost CalculatorFree—NoNoOct 2026
3Simple Fuel Calculator (USA)Simple Fuel Calculator (USA)Free5.0★ (7)NoNoOct 2026
4Fuelly: MPG & Service TrackerFuelly: MPG & Service TrackerFree4.7★ (30K)NoYesOct 2026
5GasBuddy: Find & Pay for GasGasBuddy: Find & Pay for GasFree4.7★ (448K)YesNoOct 2026
6GasWari - Gas Cost CalculatorGasWari - Gas Cost CalculatorFree—NoYesAug 2026
7GasCap — Gas Cost CalculatorGasCap — Gas Cost CalculatorFree5.0★ (2)NoYesOct 2026
8Splitcar - Gas cost calculatorSplitcar - Gas cost calculatorFree5.0★ (1)NoYesMay 2026

Top Picks for Gas Cost Calculator

Roadtrip: Gas Cost Calculator#1

Roadtrip: Gas Cost Calculator by Ben Robertson

Mileage Tracker & Plate Lookup
Editor's Choice
✈️ Travel
4.7😐(311 ratings)
FreeIn-App Purchases
Roadtrip: Gas Cost Calculator screenshot 1
Roadtrip: Gas Cost Calculator screenshot 2
Roadtrip: Gas Cost Calculator screenshot 3
Roadtrip: Gas Cost Calculator screenshot 4
Roadtrip: Gas Cost Calculator screenshot 5
Roadtrip: Gas Cost Calculator screenshot 6

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
Gas Cost Calculator#2

Gas Cost Calculator by Julian Lau

Calculate your gas costs
Strong Contender
🔧 Utilities
0.0(0 ratings)
Free
Gas Cost Calculator screenshot 1
Gas Cost Calculator screenshot 2
Gas Cost Calculator screenshot 3

Easily determine your travel expenses by inputting distance, car's fuel efficiency, and current gas prices. It calculates total costs per person, making shared trips more transparent.

More Gas Cost Calculator apps to explore

FAQ about Gas Cost Calculator

What are the best gas cost calculator apps for iPhone?
Roadtrip: Gas Cost Calculator tops our gas cost calculator apps ranking as of October 2026, with a 4.7-star average from 311 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 Cost Calculator and Gas Cost Calculator.
Roadtrip: Gas Cost Calculator has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 246+ gas cost calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.