FlyBy E6B vs FltPlan Go
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlyBy E6B
This aviation tool provides pilots with over 70 essential flight calculations, including airspeed, wind, navigation, and altitude computations. It offers advanced features for both aspiring and experienced aviators, with a long history of user feedback and development.
- Airspeed calculations
- Wind direction and speed
- Heading and ground speed
- Time-speed-distance calculations
- Altitude calculations
- Vertical navigation
- Navigation calculations
- Unit conversions
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FlyBy E6B is an essential application for all pilots. Designed by a professional airline pilot it includes many features not found in the "other" E6B programs. If you are considering a career in aviation FlyBy E6B has functions that you can use in every aircraft you will fly. FlyBy E6B was one of the very first applications of its kind published for the Palm Pilot. Used by thousands of pilots the world over, it has evolved from the suggestions and feedback we have received. Please visit our web site for more detail and screen shots. FlyBy E6B Features (70+): Airspeed Calculations: - True Airspeed using Calibrated Airspeed - True Airspeed using Mach# - Calibrated Airspeed using TAS - IAS Using MACH# - Equivalent Airspeed using CAS - Mach# Using TAS - Mach Crossover Altitude - Planned MACH# - Planned TAS - Vref CAS Wind Calculation: - Find Wind Direction and Speed - Find Wind Component (headwind and crosswind) Heading and Ground Speed: - Find Heading, Ground Speed, ETE and Fuel Burned Time-Speed-Distance: - Find Estimated Time Enroute - Find Ground Speed - Find Distance - Find Fuel Time - Find Fuel Flow - Find Fuel Burned - Find Estimated Time of Arrival - Journey Log Time - Time Adder - Fixed GroundSpeed (Find a True Airspeed given a track, wind and required groundspeed) - Crew Rest Altitude Calculations: - Density Altitude - Pressure Altitude - True Altitude - Cold Temperature Altitude Correction - China RVSM Airspace - Device Altitude (If device has pressure sensor) Vertical Navigation Calculations: - Distance and Time using Altitude Change, Ground Speed, Vertical Speed - Rate of Descent using Altitude Change, Ground Speed, Distance - Rate of Descent using Altitude Change, Ground Speed, Descent Angle - Feet/Nm using Vertical Speed, Ground Speed - Feet/Nm (%) using Gradient %, Ground Speed - Rate of Climb using Required Climb Gradient and Ground Speed - SCDA (Constant Descent Angle) - VDP (Visual Descent Point) - VPA Deviation (Vertical Path Angle Deviation) Navigation Calculations: - Critical Point - Equal Time Point - Point of No Return - Time to Minimum Descent Altitude - Track and Distance between two points with map plotting of the great circle track. Map plotting includes movable pin locations with instant trip information: Distance, Track and time enroute. - Map GPS mode. Displays device Speed, True Course, Altitude, Distance Remaining, Track to Destination, cross track error, estimated time remaining and estimated time of arrival. - Map closest airport feature will display airports close to your current GPS location or a dropped pin location. - Fix. Calculate a map point based on a Fix, Radial and Distance. - Rate One Turn - Radius of Turn - Turning Stall Speed - DME Arc distance and time - VOR Nav Conversions: - Distance: Nautical Miles/ Knots Statute Miles/ Mph Kilometers/ Kph Feet Meters Meters/Second Feet/Second Feet/Minute - Volume: US Gallons Imperial Gallons Liters - Temperature: Celsius Fahrenheit Kelvin - Weight: Pounds Kilograms - Altimeter: Inches Hg Millibars/Hectopascals mmHg - Fuel, Temperature Corrected, JetA, JetB, AvGas: US Gallons Imperial Gallons Liters Pounds Kilograms - QFE/QNH airfield altitude conversion - DMS/DM.m/DM.m and D.d coordinate conversion - VNAV Gradient% Feet per NM Angle Weather: - Relative Humidity, Heat Index, Cumulus cloud base, Wind Chill - NOAA METAR/TAF and D-ATIS access - ISA Temperature Deviation Other Functions: - Linear Interpolation - Minimum Floor Load Limit (Cargo) - Maximum Cargo Weight - Runway Slope - PAX Weight - C.G. Change - Weight to Shift - Distance to Shift - Sunrise/Sunset: Civil Day/Night, Azimuth, Apex, Elevation, for any location and time/date. Includes a unique sunset ETA function that calculates your current flights sunset time.
FltPlan Go
This app serves as a mobile companion for flight planning and navigation. It syncs flight plans, weather data, and airport information for offline and in-flight use. Features include interactive maps, route planning, and aviation-specific tools.
- Flight plan creation and filing
- Offline NavLogs and airport data
- Interactive moving maps with charts
- Real-time weather and NOTAMs
- Weight & Balance calculations
- eLogbook integration
- Customizable checklists
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FltPlan Go is the essential companion to FltPlan.com. Because FltPlan Go is integrated with FltPlan.com, flight plans and NavLogs are automatically synced to your device along with Weight & Balance profiles, eLogbook profiles, and Checklists for offline and in-flight use. • Create and file your flight plan on FltPlan.com, and it will sync to FltPlan Go to allow you to responsively edit the flight plan on the map • NavLogs are automatically synced and downloaded for offline use • Create and file your flight plan on FltPlan Go to sync to FltPlan.com FltPlan Go delivers powerful routing, weather, mapping features, and comprehensive aviation information including: AIRPORTS: • Airport & FBO Information including current fuel prices • Geo-Referenced approach plates & airport diagrams (U.S & Canada) • Weather, including METARs, TAFs, PIREPs, & MOS • NOTAMs & Remarks MAPS: • Sync FltPlan.com flight plans and interactively edit on the map • File a flight plan from within FltPlan Go • Moving maps with sectionals, enroute charts, & more • Overlay approach plates & procedures on the map • Layers including SUAs, TFRs, State Outline, Airports, Fuel Prices, CAP Grid, Stadiums, and Customs • Display METARs, Winds, SIGMETs, and animated Weather on the map • Display MOS weather forecasts (up to 4 days out) on the map • Breadcrumbs with enhanced playback & option to open in Google Earth • Split Screen to view information simultaneously, including airports, Flight Instruments (AHRS), procedures, NavLogs, Howgozit, Checklists, & More • Display Search & Rescue patterns • Course Deviation Indicator (CDI) • View Howgozit to track real time progress of your flight • Create or import Custom Waypoints in KML or CSV format • Overlay in-flight ADS-B traffic & weather or XM Weather* NAVLOGS: • NavLogs automatically sync and download for offline use • Email or print NavLogs from within FltPlan Go ADDITIONAL FEATURES: • Weight & Balance - create computations with the option to email • eLogbook - create logbook entries to sync to our eLogbook program • Checklists - synced from FltPlan.com for your specific aircraft • Binders - create flight specific binders with documents or procedures, airports, NavLogs, weather briefs, & more • Weather - search airport or route weather • Tracking - view live tracking • PDCs • Cloud Tops • Aviation Calculators • Access to FltPlan.com EXTERNAL: AVIONICS • Garmin • Dynon SkyView • Advanced Flight Systems • Avidyne IFD Series • DAC International GDC64 ADS-B • Garmin • Stratus 3 • Dual XGPS 170/190 • Dynon D2 • FreeFlight • Pathfinder • iLevil SW • L-3 Lynx • SkyGuard • Stratux • FlightBox • pingBuddy • Clarity • Custom Unit GPS • Garmin GDL 51 & GLO • Dual XGPS 150 • Bad Elf APP-TO-APP • Garmin Pilot • Satcom Direct • Jeppesen Mobile FD 2.7 SIMULATORS • X-Plane Simulator • FSX & Prepar3D *Subscription/Unit Required *Continued use of GPS running in the background can dramatically decrease battery life. FltPlan has grown into the largest flight planning company in North America. FltPlan covers the U.S., Canada, Mexico, Central America, the Caribbean, Panama, and parts of Venezuela and Columbia. FltPlan’s 165,000-plus active, registered users file more than 55% of all N#-registered flight plans. FltPlan Go is a part of FltPlan's comprehensive system that includes free, web-based flight planning and filing and a full range of premium services. FltPlan has more than 18 years of general aviation experience, giving pilots access to the best support team in the business. 24/7 FltPlan Go support is available at Tech@FltPlan.com
Screenshots
Verdict
The clearest difference is price: FltPlan Go at Free against FlyBy E6B's $9.99. FltPlan Go also leads on ratings volume (173 vs 17) and iOS requirement (12.0 vs 16.6). FlyBy E6B's advantage is rating (4.7 vs 4.0) and review sentiment (95% vs 56%). On update cadence, 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
FltPlan Go is free to download; FlyBy E6B costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FlyBy E6B holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: FltPlan Go has 173 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 95% of FlyBy E6B's written reviews are positive against 56% of FltPlan Go's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 26, 2026 and July 22, 2026 respectively.
| Parameter | FlyBy E6B | FltPlan Go |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.7 (17 ratings) — better | 4.0 (173 ratings) |
| Positive reviews | 94.6% of reviews — better | 56.3% of reviews |
| Number of ratings | 17 | 173 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 180 MB |
| Age rating | 4+ | 4+ |
| Developer | Lonnie Ganz | FltPlan.com (Flight Plan LLC) |
Customer experience
FlyBy E6B
FltPlan Go
Bugs and requests
FlyBy E6B
Not enough reviews yet to summarise bugs or requests.
FltPlan Go
Reported bugs
20 issues- App crashes immediately after opening (recent update issue)
- Crashes during flight with ADS-B enabled
- Crashes when long-pressing on airports
- Crashes when accessing binder/document sections
- Map panning limitations in certain regions
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- Highlighted annotations shift when leaving and returning
- Draw feature not saving properly
- Breadcrumb upload failures
- Howgozit leg/fuel info displays blank
- Procedures fail to download or show as updated
- Connection errors with ADS-B receivers
- App not opening after updates
- Flight tracking stops after 10 minutes
- X-Plane simulator connection broken
- Calculator doesn't work with decimals
- State outlines not displaying
- Airport runway icons not working after updates
- Screen framing and offset issues
- Maps not displaying in correct resolution
- Login authentication failures
Requested features
15 requests- Multiple fuel stops in flight planning
- Better annotation and drawing tools with undo functionality
- Jeppesen chart support
- Improved markup capabilities for in-flight use
- Synthetic vision and terrain alerting systems
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- Plotter integration for precise direction
- Unit conversion options (nautical to other units)
- Background downloads for charts and procedures
- Ability to disable sample routes
- Flight plan naming and organization improvements
- Zulu time option for flight planning
- Runway selection on extended centerlines
- Better logbook functionality
- MOA and SUA overlay in app (currently web-only)
- Copy route button for easy transfer to other apps
In-app purchases
FlyBy E6B
No in-app purchases
FltPlan Go
No in-app purchases









