Best Gas Calculator Apps

248+ iOS apps curated and reviewed

3.9 avg rating
17 free apps
Updated November 2026

Out of 248+ gas calculator apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Gas Calculator Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Roadtrip: Gas Cost CalculatorRoadtrip: Gas Cost CalculatorFree4.8β˜… (313)NoYesNov 2026
2Simple Fuel Calculator (USA)Simple Fuel Calculator (USA)Free5.0β˜… (7)NoNoOct 2026
3Fuel Calculator: Gas MileageFuel Calculator: Gas MileageFree4.9β˜… (84)YesYesNov 2026
4Fuelly: MPG & Service TrackerFuelly: MPG & Service TrackerFree4.7β˜… (30K)NoYesNov 2026
5Gas Cost CalculatorGas Cost CalculatorFreeβ€”NoNoNov 2026
6GasBuddy: Find & Pay for GasGasBuddy: Find & Pay for GasFree4.7β˜… (448K)YesNoNov 2026
7Fuel Cost Calculator (US and Metric)Fuel Cost Calculator (US and Metric)$0.991.0β˜… (1)NoNoNov 2026
8FuelPilot: Gas Cost CalculatorFuelPilot: Gas Cost CalculatorFree3.0β˜… (1)NoYesNov 2026

Top Picks for Gas Calculator

Roadtrip: Gas Cost Calculator#1

Roadtrip: Gas Cost Calculator by Ben Robertson

Mileage Tracker & Plate Lookup
Editor's Choice
✈️ Travel
4.8😐(313 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

Estimate the cost of any journey in your vehicle, including fuel, tolls, and charging for electric cars. Track mileage for business or personal use and find the cheapest gas prices abroad. Offers a Pro version for advanced features.

What We Love

  • πŸ‘ Helpful for planning trips
  • πŸš€ Accurate fuel cost estimates
  • πŸ’‘ Useful for splitting costs with friends
  • πŸš— Integrates with vehicle details
  • πŸ“Š Provides good overview of trip costs

Room to Improve

  • πŸ’° Requires subscription for basic features
  • πŸ› Inaccurate or missing fuel price data
  • 🚧 Difficult to add/remove vehicles
  • πŸ—ΊοΈ Limited location/destination coverage
  • πŸ’» Glitchy and buggy performance

More Gas Calculator apps to explore

FAQ about Gas Calculator

What are the best gas calculator apps for iPhone?
Roadtrip: Gas Cost Calculator tops our gas calculator apps ranking as of November 2026, with a 4.8-star average from 313 App Store ratings, and it's free to download.
Yes β€” 17 of the top gas calculator apps we rank are free to download, including Roadtrip: Gas Cost Calculator and Simple Fuel Calculator (USA).
Roadtrip: Gas Cost Calculator has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 248+ gas calculator apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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