Comparison

E6B vs EF1 E6B Flight Computer

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

Head to head
About

E6B

This app provides a comprehensive suite of aviation calculations for pilots, including weather, preflight planning, in-flight adjustments, and weight and balance computations. It also offers a wide range of unit conversions for aviation-related metrics.

Highlights
  • Weather calculations (pressure/density altitude, crosswind)
  • Preflight planning (airspeed, heading, fuel)
  • In-flight calculations (true airspeed, altitude, groundspeed)
  • Weight and balance with custom aircraft profiles
  • Extensive unit conversions
  • Time math (add/subtract times)
Features
Read full description

E6B is a modern flight computer for iPhone and iPad — built for student E6B is a modern flight computer for iPhone and iPad — built for student pilots, instrument candidates, and working aviators who need fast, accurate calculations without fumbling with a physical whiz wheel. WEATHER • Pressure & Density Altitude — from baro setting, OAT, and field elevation • Crosswind, Headwind & Tailwind — enter wind speed, direction, and runway heading • Cloud Base & Freezing Level — AGL and pressure altitude • Hydroplane Speed PREFLIGHT • Planned True Airspeed — from CAS, pressure altitude, and OAT • Required CAS / Required TAS — reverse-solve airspeed equations • Heading & Groundspeed — full wind triangle solution • Compass Heading — with magnetic variation and compass deviation • Leg Time — solve any one of time, speed, or distance • Fuel Required & Endurance • Planned Mach Number • Time Math — add and subtract times in HH:MM:SS IN-FLIGHT • Actual True Airspeed — from CAS, altitude, and OAT • Actual True Altitude — corrected for non-standard temperature • Groundspeed — from elapsed time and distance • Fuel Per Hour — from fuel used and elapsed time • Distance Flown WEIGHT & BALANCE Build custom aircraft profiles with stations, limits, and CG envelopes. Load passengers, fuel, and cargo — E6B calculates total weight, moment, and CG in real time. Save multiple profiles for different aircraft. CONVERSIONS Bidirectional converters for: NM ↔ SM ↔ km, feet ↔ meters, °C ↔ °F, inHg ↔ mb, lbs ↔ kg, US gallons ↔ liters, HH:MM:SS ↔ decimal hours, Avgas and Jet A weight (gallons or liters to pounds), and minimum climb gradient to percent or degrees. Privacy Policy: https://docs.nikitin.fyi/com.e6b.calculator/privacy-policy.html Terms of Service: https://docs.nikitin.fyi/com.e6b.calculator/terms-of-service.html

About

EF1 E6B Flight Computer

This app provides a comprehensive electronic flight computer for pilots, offering fast, offline calculations for wind, airspeed, fuel, and navigation. It includes multi-leg route planning, printable navigation logs, and weight and balance calculations.

Highlights
  • Wind triangle calculations
  • Time, speed, distance calculations
  • Fuel burn, endurance, and range
  • Multi-leg cross-country planning
  • Printable VFR/IFR navigation logs
  • Weight and balance calculations
  • Fully offline functionality
Features
Read full description

EF1 E6B is a complete electronic flight computer built for student pilots, CFIs, and certificated pilots who want a fast, offline, modern E6B without the bloat. EVERYTHING AN E6B DOES - FASTER • Wind triangle (heading, ground speed, wind correction) • True / calibrated / equivalent airspeed • Density and pressure altitude • Time / speed / distance • Fuel burn, endurance, and range • Standard atmosphere + lapse rate • Compass + magnetic heading with deviation and variation • Reciprocal headings, pivotal altitude, standard rate turns • Off-course (1-in-60) corrections • Climb / descent rates and ground distance • Cloud base, glide distance, holding pattern entry • Linear interpolation • Universal converter (length, mass, volume, speed, temp, pressure) CROSS-COUNTRY PLANNING Build a full multi-leg route with up to 20 checkpoints. Set true course, distance, wind, TAS, fuel rate, MSA, and frequencies for each leg. Drag to reorder, duplicate, or reverse the route in one tap. Choose VFR or IFR mode and the app applies the correct FAR fuel rules: • VFR: 30-min day or 45-min night reserve, optional alternate • IFR: 45-min reserve, alternate-required toggle, alternate fuel auto-computed from distance to alternate Trip totals show ETE, ETA, fuel legality (LEGAL or NOT LEGAL with margin), and per-leg fuel remaining. PRINTABLE NAV LOG Generate a clean PDF nav log — VFR or IFR titled — with every checkpoint, fuel breakdown, frequencies card, and a side panel showing usable fuel, taxi, climb, enroute, alternate, and reserve. Email, print, or save it. FLY THE CROSS-COUNTRY Tap START FLIGHT, then mark off each checkpoint as you pass it. The app records actual time enroute, actual ground speed, and ATA, then writes them back into your post-flight log automatically. WEIGHT & BALANCE Build aircraft profiles, enter station moments, and check CG against the envelope. DESIGNED FOR PILOTS • Works fully offline - no signal, no problem • Optimized for iPhone and iPad with dark cockpit theme • Adjustable font scale for kneeboard readability • US or metric units, switch any time • Save unlimited routes • Backup and restore your data SUBSCRIPTION The EF1 E6B unlocks all features with a 7-day free trial, then $3.99/month or $19.99/year. Cancel any time before the trial ends - no charge. Subscription auto-renews for the same period at the same price unless cancelled at least 24 hours before the end of the period. Manage or cancel in your iOS Settings → Apple ID → Subscriptions. Privacy: https://www.entireflight.com/policies/privacy-policy. Terms: https://www.entireflight.com/policies/terms-of-service

Screenshots

E6B4 screens
EF1 E6B Flight Computer4 screens

Verdict

The call

The clearest difference is ads: E6B at none against EF1 E6B Flight Computer's shown. EF1 E6B Flight Computer's advantage is iOS requirement (15.1 vs 18.0). On price, in-app purchases, monetization model 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. E6B sells 2 in-app purchases, starting at $4.99 per month and EF1 E6B Flight Computer sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
E6B versus EF1 E6B Flight Computer: the parameters behind the verdict, then further details
ParameterE6BEF1 E6B Flight Computer
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews—66.7% of reviews
Number of ratings7 — better—
Update frequency—Weekly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size26 MB48 MB
Age rating4+4+
DeveloperMikhail NikitinEntireFlight LLC

Customer experience

E6B

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

EF1 E6B Flight Computer

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

2 purchases

E6B

Subscriptions2
  • premium$4.991 Month
  • premium7 Days trial$29.991 Year
2 purchases

EF1 E6B Flight Computer

Subscriptions2
  • Monthly7 Days trial$3.991 Month
  • Annual7 Days trial$19.991 Year

Questions

Is E6B free?
E6B is free to download, with in-app purchases available.
Is EF1 E6B Flight Computer free?
EF1 E6B Flight Computer is free to download, with in-app purchases available.
Do E6B or EF1 E6B Flight Computer have ads?
EF1 E6B Flight Computer shows ads; E6B does not.

Other comparisons