Comparison

E6B Flight Computer Calc vs E6B Flight Computer

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

Head to head
About

E6B Flight Computer Calc

Features
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E6B Flight Computer Calc is a digital E6B for pilots. Every calculation is free, works offline and has a keypad built for the cockpit. FREE β€’ True airspeed, density altitude (with an optional dew point) and true altitude β€’ Wind triangle, find the wind from heading and track, and runway crosswind β€’ Time, speed, distance, fuel, PNR and equal time point β€’ Climb and descent, with the descent rate needed to reach a fix; turn and glide β€’ Weight and balance with load sheet, CG, %MAC and envelope (one aircraft saved free) β€’ Great circle, magnetic and compass, holding entry, cloud base β€’ Conversions, Zulu and local clocks, sun and twilight, flight timer with Live Activity, countdown β€’ Your units: hPa or inHg, kt, km/h or mph, nm or km, Β°C or Β°F, litres or gallons β€’ Apple Watch app PRO (optional) β€’ Unlimited METAR and TAF decoding (paste the report) β€’ Unlimited analog E6B wheel and exam mode β€’ Unlimited aircraft profiles and full history β€’ Crosswind and density altitude widgets Weekly, monthly, yearly or pay-once plans. GOOD TO KNOW A planning aid, not for navigation: use the POH/AFM and approved sources. Weather reports are pasted, the app does not download them. Density altitude without a dew point assumes dry air. Terms of Use: https://ghapps1.wordpress.com/terms-condition/ Privacy Policy: https://ghapps1.wordpress.com/privacy-policy/

About

E6B Flight Computer

Features
Read full description

The flight computer and the weather decoder in one app, paid for once. Foxtro is the E6B every student and private pilot does on the ramp and at the kitchen table, without the slide rule and without a subscription. Type in what you know and read what you need, offline, on iPhone and iPad. LIVE METAR AND TAF, DECODED β€’ Search any airport in the world by ICAO, IATA or name, even without a connection β€’ VFR, MVFR, IFR and LIFR at a glance, with wind, visibility, ceiling, temperature, altimeter and density altitude on one card β€’ Every group of the raw report translated to plain English β€’ The TAF on a timeline: each period in its own category colour, with a line where now is β€’ Paste any raw METAR or TAF from anywhere and decode it offline β€’ Favourite airports, cached for the ramp RUNWAY WINDS β€’ The headwind and crosswind on every runway, worked out from the live report against each runway's true heading β€’ The favoured runway, the gust and the worst case across a variable wind β€’ The wind in magnetic too, the way the tower reads it PERSONAL MINIMUMS Set your own ceiling, visibility, wind and crosswind limits, or the ones in your solo endorsement, and every airport is checked against them: within or outside, and exactly why. E6B FLIGHT COMPUTER β€’ The wind triangle: heading, ground speed and wind correction angle from course, TAS and the winds aloft, drawn as you type β€’ Find the wind from what you actually flew β€’ True airspeed from calibrated airspeed, pressure altitude and temperature β€’ Pressure altitude and density altitude β€’ Time, speed and distance, any one from the other two β€’ Fuel burn, endurance and range β€’ Runway headwind and crosswind components β€’ Estimated cloud base from temperature and dew point β€’ Conversions: knots, mph and km/h; nautical and statute miles; feet and metres; gallons, litres and pounds; inHg and hPa; Β°C and Β°F WEIGHT AND BALANCE Set up your aircraft from its own POH once β€” empty weight and arm, seats, baggage, fuel and the CG envelope β€” then load it for each flight and see the takeoff and landing points on the envelope. NIGHT AND DAY A dark cockpit look for before dawn and after dusk, and a Day mode that stays readable in full sun. PAY ONCE The calculators, the decoder and the runway winds are free. One purchase unlocks weight and balance, personal minimums, the TAF timeline and unlimited favourite airports with offline caching. No subscription, no ads, no account. Weather comes from the US National Weather Service's Aviation Weather Center; runway data from OurAirports. Foxtro is a planning aid, not a certified navigation or briefing source; always confirm with an official briefing before flight. Privacy policy: https://foxtro.vadapalas-zigmas.workers.dev/privacy Terms of use: https://foxtro.vadapalas-zigmas.workers.dev/terms

Screenshots

E6B Flight Computer Calc4 screens
E6B Flight Computer4 screens

Verdict

The call

E6B Flight Computer Calc and E6B Flight Computer are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. E6B Flight Computer Calc sells 4 in-app purchases, starting at $0.99 per 7 days and E6B Flight Computer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

E6B Flight Computer Calc ships an update fortnightly, E6B Flight Computer every 9 days. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.

ScorecardNo meaningful differences
E6B Flight Computer Calc versus E6B Flight Computer: the parameters behind the verdict, then further details
ParameterE6B Flight Computer CalcE6B Flight Computer
PriceFreeFree
Update frequencyFortnightlyEvery 9 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Apple Watch β€” betteriPhone, iPad
Requires iOS17.017.0
Further details β€” not scored
Size8 MB5 MB
Age rating4+4+
DeveloperGrima HdezZigmas Vadapalas

In-app purchases

4 purchases

E6B Flight Computer Calc

Subscriptions3
  • E6B Pro Weekly$0.997 Days
  • E6B Pro Monthly$1.991 Month
  • E6B Pro Yearly$3.991 Year
One-time1
  • E6B Pro$5.99
1 purchases

E6B Flight Computer

One-time1
  • Foxtro Pro$9.99

Questions

Is E6B Flight Computer Calc free?
E6B Flight Computer Calc is free to download, with in-app purchases available.
Is E6B Flight Computer free?
E6B Flight Computer is free to download, with in-app purchases available.
Do E6B Flight Computer Calc or E6B Flight Computer have ads?
Neither E6B Flight Computer Calc nor E6B Flight Computer shows ads.
Which is updated more often, E6B Flight Computer Calc or E6B Flight Computer?
E6B Flight Computer Calc ships an update fortnightly, and E6B Flight Computer every 9 days. Most recently, E6B Flight Computer Calc was updated on October 29, 2026 and E6B Flight Computer on November 1, 2026.

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