Comparison

Gas Mileage Tracker vs E6B Flight Computer CFI Pilot

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Gas Mileage Tracker

Easily log fuel fill-ups to calculate real MPG, fuel costs, and compare your vehicle's efficiency to its EPA rating. Track spending, view monthly charts, and manage multiple vehicles with a clean, intuitive interface.

Highlights
  • Calculate real MPG and cost per mile
  • Log fill-ups in seconds
  • Compare to EPA ratings
  • Track spending and monthly charts
  • Manage multiple vehicles
  • Export data to CSV (Pro feature)
  • Dark mode support
Features
Read full description

Track your gas mileage and fuel costs without the spreadsheet. Log a fill-up in about ten seconds. Gas Mileage Tracker works out your real MPG, what you actually spend per mile, and how your car compares to its official EPA rating. FEATURES - Real MPG, not the sticker. Compare your economy against the EPA rating for your exact model and see what the gap costs you over a year - Fill-ups in seconds. Odometer, volume, price and station, with your recent stations one tap away - Your units, your currency. Miles and gallons, litres and kilometres, or imperial MPG. Pick your country when you start and change it whenever - Multiple vehicles, each with its own history and averages - Spending you can see. Total spent, cost per mile, monthly charts and the price you paid per gallon over time - Full fill-up history, editable any time - Export to CSV for taxes or expense reports (Pro) - Dark mode throughout Whether you are watching a personal budget, claiming business expenses, or you just want to know what your car really does, this makes it quick enough that you will keep doing it. Download now and start saving money on gas. --- Privacy Policy: https://meliann.notion.site/Privacy-Policy-for-Gas-Mileage-Tracker-2e1476f8f04180928d47f69ba8f418bb Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

E6B Flight Computer CFI Pilot

Features
Read full description

E6B Flight Computer is the essential aviation calculator for student pilots, CFIs, and cockpit professionals. Built for PPL checkrides, cross country planning, and everyday flight operations — all offline, no internet required. AVIATION CALCULATORS 22 precision calculators covering every phase of flight: Wind & Navigation — Wind correction angle, heading & ground speed, crosswind & headwind components, course & distance between coordinates. Speed & Altitude — True airspeed (TAS), calibrated airspeed (CAS), density altitude, pressure altitude, true altitude, and cloud base estimation using ICAO standard atmosphere formulas. Fuel — Fuel required, endurance, point of no return, and equivalent still air distance. Performance — Weight & Balance with interactive CG envelope chart, top of descent, climb/descent gradient, and percent MAC. Time — Leg time, ETA calculator, and time/speed/distance solver. WEIGHT & BALANCE WITH ENVELOPE CHART Add crew, passengers, fuel, and baggage. The app computes total weight, total moment, and CG position — and plots it live on an interactive envelope chart. The tool every CFI recommends. UNIT CONVERSIONS 9 bidirectional converters: Temperature, Distance (NM/SM/KM), Speed (kt/mph/kph), Altitude (ft/m), Pressure (inHg/hPa), Weight (lb/kg), Volume (gal/L), Avgas weight, and Jet-A weight. COCKPIT CLOCKS & TIMERS Three simultaneous clocks — Zulu (UTC), Local, and Home timezone. Countdown timer with alarm, stopwatch with lap times for leg tracking. HOME SCREEN WIDGETS - Zulu Clock widget — always-on UTC time - Density Altitude widget — current conditions at a glance - Quick Converter widget LIVE ACTIVITY Flight timer countdown on your Lock Screen and Dynamic Island — no unlock needed. WORKS COMPLETELY OFFLINE No internet, no account, no server. Every formula runs on-device using pure ICAO Standard Atmosphere calculations. KEY FEATURES • 22 aviation calculators — wind, altitude, fuel, W&B, time • Interactive W&B envelope chart • Zulu / Local / Home clocks • Countdown timer & stopwatch with laps • Bidirectional unit conversions (NM, kt, inHg, Avgas, Jet-A) • Live Activity on Lock Screen & Dynamic Island • Home Screen widgets • Fully offline — no internet required • Built for PPL, CPL, CFI, and cockpit professionals SUBSCRIPTION INFORMATION Access to E6B Flight Computer requires an active subscription. All features — including calculators, W&B chart, conversions, timers, and widgets — are unlocked with a subscription. Subscription options are presented within the app. Payment is charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscription in your Apple ID account settings after purchase. Privacy Policy: https://github.com/MAAlsaleh0/E6B_Legal/blob/main/privacy-policy.md Terms of Use: https://github.com/MAAlsaleh0/E6B_Legal/blob/main/terms-of-use.md

Screenshots

Gas Mileage Tracker4 screens
E6B Flight Computer CFI Pilot4 screens

Verdict

The call

The clearest difference is update cadence: E6B Flight Computer CFI Pilot at every 4 days against Gas Mileage Tracker's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Gas Mileage Tracker sells 1 one-off in-app purchase and E6B Flight Computer CFI Pilot sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Gas Mileage Tracker ships an update every 8 months, E6B Flight Computer CFI Pilot every 4 days. The most recent releases landed on September 30, 2026 and September 13, 2026 respectively.

Scorecard1 real difference · 9 level
Gas Mileage Tracker versus E6B Flight Computer CFI Pilot: the parameters behind the verdict, then further details
ParameterGas Mileage TrackerE6B Flight Computer CFI Pilot
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 8 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size11 MB12 MB
Age rating4+12+
DeveloperNicolas Gustavo MelianMohammed Alsaleh

In-app purchases

1 purchases

Gas Mileage Tracker

One-time1
  • Gas Mileage Tracker Lifetime$19.99
2 purchases

E6B Flight Computer CFI Pilot

Subscriptions1
  • Weekly3 Days trial$2.997 Days
One-time1
  • Lifetime$17.99

Questions

Is Gas Mileage Tracker free?
Gas Mileage Tracker is free to download, with in-app purchases available.
Is E6B Flight Computer CFI Pilot free?
E6B Flight Computer CFI Pilot is free to download, with in-app purchases available.
Do Gas Mileage Tracker or E6B Flight Computer CFI Pilot have ads?
Neither Gas Mileage Tracker nor E6B Flight Computer CFI Pilot shows ads.
Which is updated more often, Gas Mileage Tracker or E6B Flight Computer CFI Pilot?
Gas Mileage Tracker ships an update every 8 months, and E6B Flight Computer CFI Pilot every 4 days. Most recently, Gas Mileage Tracker was updated on September 30, 2026 and E6B Flight Computer CFI Pilot on September 13, 2026.

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