Comparison

Logbook Pro Flight Logbook vs RLM

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

Head to head
About

Logbook Pro Flight Logbook

This app serves as a comprehensive flight logbook for pilots, meticulously tracking certificates, ratings, medicals, and flight history. It offers detailed reporting, cloud synchronization, and smart scheduling features to manage pilot credentials and flight data efficiently.

Highlights
  • Log Certificates, Ratings, and Medicals
  • Track Actual and Simulator Flights
  • Cloud Synchronization
  • Signature Endorsements
  • Detailed Flight Reports
  • Airline Schedule Import
  • Calendar Integration
Features
Read full description

Logbook Pro is the most reliable, trusted, and accurate flight logbook app for pilots used in aviation. Logbook Pro logs your Certificates, Ratings, Medicals, Flight Reviews, Historical data, and Flights (actual or simulator) and view detailed and extensive reports. Import airline schedules and integrate with your device's calendar for reminder notifications and scheduling deconfliction. Sync seamlessly and effortlessly all via the cloud. Capture signature endorsements with ease. Features: * Dark and Light themes. Manual selection or follow OS * Endorsements with signature support for all data areas, synced to the cloud * Efficient user interface with easy to read color scheme * Log Certificates, Ratings, History Items (Medicals, Flight Reviews, etc.) * Log actual and sim flights * View when expiring events (History Items) expire instantly on your device * Calculate duration from OUT-IN or TAKEOFF-LAND times with the tap of a button * View powerful and comprehensive reports generated by Logbook Pro Desktop edition right on your device * View aircraft stats such as date type was last flown, hours in type, etc. * Show currency status with colored marker flags indicating current or expired * View your details summary bar report * Analyze complete logbook statistics with both totals and percentages * View FAR 121/135 limitations with colored markers (requires Logbook Pro Professional Edition or higher) * Auto-enter the duration value in other time fields with a single tap * Customizable cascading time entries for Out, Takeoff, Landing, and In making flight entry quick and easy * New flight entries can default with prior flight entry data for rapid flight log entry * Customize the layout to declutter display showing only fields you need * Fast synchronization * Device uses colors to identify current and overdue, synchronized or not. No need to purge, the device manages your data smartly * Instant filter in each data area to show: All Data, Not Yet Synchronized, Synchronized * Free-form route entry allows a single entry for the entire day; no hassle with picking or searching for airports. * AutoFill makes populating common time fields a breeze * Log multiple approaches of each type for each flight * Log "By Leg" or "By Day" allowing you to collate your entire day into a single flight log entry * Import Airline Schedules from over 200 airline and trip formats with proper time zone handling * Import Airline Schedules from Flight Crew View * Integrate with your device's calendar and sync with your other calendars * Social networking integration with affiliate support to earn commissions on referrals. Post to Facebook or Twitter. * App Time Zone and Sync Time Zone support for Local, UTC, or a custom selected "domicile" time zone. * Check weather quickly on multiple destinations (METAR and TAF) * Quick increment buttons to easily add/subtract values for fields such as landings, approaches, etc. * Study airports your flying into with the Sky View airport viewer * Extremely customizable with a plethora of options to make the app into what you need * Protect app access with app security options in Settings Notes & Requirements: -This app is not a stand-alone logbook, it is designed to work in tandem with Logbook Pro Desktop (activation/purchase NOT required to evaluate) -A Logbook Pro Mobile subscription is required to enable synchronization features -A Schedule Importer subscription is required to use the airline schedule importer features Subscriptions do not auto-renew. In-app purchases will be charged to your iTunes Account. Subscription terms and pricing may be found in the My Account area within the app. Privacy Policy: https://nc-software.com/privacy Terms of Use: https://nc-software.com/tos Logbook Pro is a registered trademark of NC Software, Inc.

About

RLM

This aviation computer app offers a comprehensive suite of tools for pilots. It calculates various flight parameters, including altitude, airspeed, ground speed, wind components, and weight & balance. The app also features unit and currency conversions, making it a versatile utility for aviation professionals.

Highlights
  • Altitude & Cloud Base Calculations
  • Airspeed & Ground Speed Calculations
  • Wind Component & Correction Tools
  • Weight & Balance Calculations
  • Unit & Currency Conversion
  • Holding Pattern & Flight Plan Tools
Features
Read full description

The RLM-Flight app is the ultimate aviation computer. Designed with a clear beautiful interface and easy to use through direct menu selection with all variables at sight converting it in the most powerful, versatile and useful aviation computer you may have in your iOS device. The RLM-Flight has a extensive Menu System: >Altitude & Cloud Base Worksheets: Calculate Pressure Altitude, Density Altitude, Barometric Pressure or Outside Temperature with or without humidity. Also calculates the Cloud Base above ground and Clouds Temperature knowing the Outside Temperature and Dew Point. >Standard Atmosphere: Calculate the Altitude, Temperature or Pressure and the Air Density and Speed of Sound in the International Standard Atmosphere (ISA). > Airspeed Calculations: Calculate the True Air Speed, Calibrated Air Speed, Outside Temperature, Mach number, Total Air Temperature or Pressure Altitude. >Ground Speed & Fuel Rate: Calculate the Ground Speed, Distance, Duration or Fuel consumption. >Glide & Climb/Descent: Calculate Horizontal Distance, Glide Ratio, Descent or Climb Altitude, Angle and Ratio. >Wind Components: Calculate Cross Wind, Head Wind, Run Way, Wind Speed or Wind Direction. >Wind Correction: Calculates the Ground Speed, True Course, True Air Speed, True Heading, Wind Speed or Wind Direction and the Wind Correction Angle. >Compass Heading: Calculate True Heading, Magnetic Heading, Compass Heading, Variation or Deviation. >Holding Pattern & From-To: Calculate the type of entry necessary and the inbound heading to enter in a holding pattern given by the airplane Heading, the Holding Radial and the standard turn (left or right). Also, convert the course from a location into the course to the same location. >Rhumb Line: Calculate the True Course, Rhumb Line Distance and the Great Circle Distance for flight paths specified by latitude and longitude. >Flight Plan: Calculate the Total Distance, Estimated Time in Route, Estimated Time of Arrival and Fuel Burned in a cross country flight composed of an arbitrary number of legs. >Weight & Balance: Calculates the total weight and the resulting center of gravity of an airplane base on the loads arms, weights and/or moments of different items including the empty aircraft weight and center of gravity, pilots, passengers, fuel and cargo areas. >Weight Shift & %MAC: Calculate the change in Center of Gravity, change in Weight, change in Arm or total Weight given the others. Also calculate the %MAC, Center of Gravity, Mean Aerodynamic Chord or Leading Edge of MAC given the others. >Units Conversion: powerful and completely customizable physical units conversion calculations. >Currency Conversion: to calculate currency exchanges between two selected world currencies and common crypto currencies with manual or on-line rates. > Math Functions: to apply scientific functions to the displayed number including angles conversion, trigonometric functions, logarithmic function, decimal hour to hour:minute:seconds, etc. System requirements: iOS 15.0 or above. 30 days Free-Trial. In-App-Purchase: One-Payment for life. License Agreement: http://www.apple.com/legal/itunes/appstore/dev/stdeula DISCLAIMER: THE “RLM-Flight” SOFTWARE IS PROVIDED TO YOU ON AN "AS IS" BASIS. THE SOFTWARE IS NOT CERTIFIED BY ANY AUTHORITY AT THE MOMENT AND THE USER ASUMES ALL THE RESPONSIBILITY OF IT USE. THE LICENSOR DOES NOT REPRESENT OR WARRANT THAT THE SOFTWARE CALCULATIONS OR DATA MADE WILL BE FREE FROM MISTAKES OR ANY OTHER DEFECTS OR ERRORS AND THAT ANY SUCH EFFECTS OR ERRORS WILL BE CORRECTED, OR THAT IT WILL OPERATE WITHOUT INTERRUPTION. YOU AGREE THAT YOU ARE SOLELY RESPONSIBLE FOR ALL COSTS AND EXPENSES ASSOCIATED WITH RECTIFICATION, REPAIR OR DAMAGE CAUSED BY SUCH DEFECTS, ERRORS OR INTERRUPTIONS.

Screenshots

Logbook Pro Flight Logbook4 screens
RLM4 screens

Verdict

The call

The clearest difference is rating: RLM at 5.0 against Logbook Pro Flight Logbook's 4.6. RLM also leads on monetization model (free vs free with in-app purchases) and iOS requirement (15.0 vs 18.0). Logbook Pro Flight Logbook's advantage is ratings volume (1.7K vs 2). On price, update cadence, ads and in-app purchases 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. Logbook Pro Flight Logbook sells 8 one-off in-app purchases and RLM sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

RLM holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Logbook Pro Flight Logbook has 1.7K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Logbook Pro Flight Logbook ships an update monthly, RLM every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Logbook Pro Flight Logbook versus RLM: the parameters behind the verdict, then further details
ParameterLogbook Pro Flight LogbookRLM
PriceFreeFree
Rating4.6 (1.7K ratings)5.0 (2 ratings) — better
Positive reviews54.7% of reviews—
Number of ratings1.7K — better2
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size111 MB6 MB
Age rating4+4+
DeveloperNC Software, Inc.R.L.M. Software

Customer experience

Logbook Pro Flight Logbook

All ratings1,719 ratings
Positive90.9%
Neutral3.7%
Negative5.4%
Written reviews139 reviews
Positive54.7%
Neutral9.4%
Negative36.0%

RLM

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Logbook Pro Flight Logbook

Reported bugs

4 issues
  • Incorrect night time logging
  • Unreliable trip data importing
  • Login and sync problems
  • Data loss after software updates

Requested features

5 requests
  • Integrated map view of flights
  • Automatic flight time calculations
  • Crew member tracking and management
  • Seamless mobile-desktop integration
  • Improved customer support options

RLM

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Logbook Pro Flight Logbook

One-time8
  • Logbook Pro Mobile 30 Days$18.99
  • Schedule Importer 30 Days$28.99
  • Logbook Pro Mobile 3 Months$36.99
Show 5 more
  • Logbook Pro Mobile 6 Months$53.99
  • Schedule Importer 3 Months$57.99
  • Logbook Pro Mobile 1 Year$69.99
  • Schedule Importer 6 Months$83.99
  • Schedule Importer 1 Year$109.99
1 purchases

RLM

One-time1
  • Lifetime Full Access$9.99

Questions

Is Logbook Pro Flight Logbook free?
Logbook Pro Flight Logbook is free to download, with in-app purchases available.
Is RLM free?
RLM is free to download, with in-app purchases available.
Which has better reviews, Logbook Pro Flight Logbook or RLM?
RLM is rated higher. Logbook Pro Flight Logbook averages 4.6 out of 5 from 1.7K ratings, while RLM averages 5.0 from 2 ratings.
Do Logbook Pro Flight Logbook or RLM have ads?
Neither Logbook Pro Flight Logbook nor RLM shows ads.
Which is updated more often, Logbook Pro Flight Logbook or RLM?
Logbook Pro Flight Logbook ships an update monthly, and RLM every 3 weeks. Most recently, Logbook Pro Flight Logbook was updated on October 26, 2026 and RLM on October 24, 2026.

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