Comparison

Flight Computer Sim vs E6B Aviation Calculator

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

Head to head
About

Flight Computer Sim

This app simulates the E6B slide ruler, a crucial tool for aircraft pilots. It offers high-resolution visuals and smooth controls for precise calculations in conversion and wind correction modes. Experience a realistic feel for essential aviation computations.

Highlights
  • E6B slide ruler simulation
  • High-resolution ruler
  • Smooth rotation and sliding controls
  • Pinch-to-zoom functionality
  • Conversion mode
  • Wind correction modes (low and high speed)
Features
Read full description

An easy and intuitive simulation of the E6B slide ruler used by many aircraft pilots. Features a high resolution ruler with smooth controls for rotating, sliding and pinch zooming, allowing precise calculations. Feels like a real ruler in your hands! All three modes are available: - Conversions - Wind corrections (low speed) - Wind corrections (high speed) For more features, check out Flight Computer Pro.

About

E6B Aviation Calculator

This app provides a comprehensive suite of aviation calculators, including E6B functions, ascent/descent planning, fuel calculations, and weight & balance. It supports various unit conversions and offers customizable default units for international users.

Highlights
  • E6B flight calculations
  • Ascent and descent planner
  • Fuel and weight/balance calculator
  • Holding pattern calculations
  • Performance data interpolation
  • Extensive unit conversions
  • Customizable default units
Features
Read full description

Try it for free - upgrade to unlock all flight calculators. You get full access to all 47 aviation functions: E6B - Pressure and density altitudes - True Airspeed, calibrated airspeed, and mach number - Wind correction angle - True heading and compass heading - Crosswind, headwind, and tailwind - Ground speed and flight time - Fuel burn - Cloud base, cloud temperature, and freezing point / altitude Ascent and descent planner Calculate: - Required climb and descent rate in feet / nm - Required vertical speed in feet / minutes - Slope and gradient - Distance to top of climb / from top of descent - Time to climb or descend Fuel Calculator - Convert between imperial and metric units of volume and weight for Avgas and Jet-A: Gallons ↔ Liters ↔ Pounds ↔ Kilograms - Calculate the total endurance given the useable fuel and fuel burn rate. - Calculate total fuel burnt for flight-time Weight & Balance - Quickly and accurately calculate aircraft's CG at ramp, takeoff, landing, and zero-fuel situation Holding Pattern - Visualize entry patterns and calculate wind correction to maintain holding pattern Interpolate - Interpolate up to three columns of performance data tables Convert -14 conversions between imperial and metric units: - Feet ↔ Meters - Inches of mercury ↔ Millibars - Nautical miles ↔ Statute miles ↔ Kilometers - Fahrenheit ↔ Celsius ↔ Kelvins - Gallons ↔ Liters - Pounds ↔ Kilograms Time Calculator - Add (or subtract) time in HH:MM:SS formats. - Convert time between HH:MM:SS and decimal hours, minutes, and seconds. Change default units for international users - Altitude in feet or meters - Barometric pressure in inches of mercury (inHG) or millibars / hectopascals (mb / hPa) - Distances in nautical miles, statute miles, and kilometers - Speed in knots, miles per hour, and kilometers per hour - Temperature in Fahrenheit and celsius - Volume in US gallons and liters - Weight in pounds and kilograms - Center of gravity / arm in inches and meters Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Flight Computer Sim3 screens
E6B Aviation Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Flight Computer Sim at none against E6B Aviation Calculator's 4. Flight Computer Sim also leads on rating (4.8 vs 4.4) and iOS requirement (7.0 vs 17). E6B Aviation Calculator's advantage is update cadence (every 3 weeks vs every 6 months). On price, review sentiment, ratings volume and ads 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. E6B Aviation Calculator sells 4 in-app purchases, starting at $2.99 per month. Flight Computer Sim asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flight Computer Sim holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 26 and 37 respectively. Written reviews point the same way: 88% of Flight Computer Sim's written reviews are positive against 82% of E6B Aviation Calculator's.

UpkeepUpdate frequency

Flight Computer Sim ships an update every 6 months, E6B Aviation Calculator every 3 weeks. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
Flight Computer Sim versus E6B Aviation Calculator: the parameters behind the verdict, then further details
ParameterFlight Computer SimE6B Aviation Calculator
PriceFreeFree
Rating4.8 (26 ratings) — better4.4 (37 ratings)
Positive reviews88.2% of reviews — better81.8% of reviews
Number of ratings2637 — better
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS7.0 — better17
Further details — not scored
Size175 MB10 MB
Age rating4+4+
DeveloperDiego RodriguesRaj Jeshang

Customer experience

Flight Computer Sim

All ratings26 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews34 reviews
Positive88.2%
Neutral5.9%
Negative5.9%

E6B Aviation Calculator

All ratings37 ratings
Positive83.8%
Neutral5.4%
Negative10.8%
Written reviews22 reviews
Positive81.8%
Neutral9.1%
Negative9.1%

In-app purchases

None

Flight Computer Sim

No in-app purchases

4 purchases

E6B Aviation Calculator

Subscriptions3
  • Full Access$2.991 Month
  • Full Access3 Days trial$2.991 Month
  • Full Access7 Days trial$6.991 Year
One-time1
  • Lifetime Full Access$8.99

Questions

Is Flight Computer Sim free?
Flight Computer Sim is free to download, with no in-app purchases.
Is E6B Aviation Calculator free?
E6B Aviation Calculator is free to download, with in-app purchases available.
Which has better reviews, Flight Computer Sim or E6B Aviation Calculator?
Flight Computer Sim is rated higher. Flight Computer Sim averages 4.8 out of 5 from 26 ratings, while E6B Aviation Calculator averages 4.4 from 37 ratings.
Do Flight Computer Sim or E6B Aviation Calculator have ads?
Neither Flight Computer Sim nor E6B Aviation Calculator shows ads.
Which is updated more often, Flight Computer Sim or E6B Aviation Calculator?
Flight Computer Sim ships an update every 6 months, and E6B Aviation Calculator every 3 weeks. Most recently, Flight Computer Sim was updated on October 10, 2026 and E6B Aviation Calculator on October 17, 2026.

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