PilotPal vs RLM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PilotPal
This app provides FAA aviation airport charts and facility directories for easy flight planning. Access airport diagrams, frequencies, elevation, and helipad information offline. Stay updated with monthly chart revisions and quickly find nearby or favorite airports.
- Offline charts
- Airport Facility Directories
- Airport Diagrams
- Airport Information (Maps, Frequencies, Elevation, Helipads)
- Monthly updated FAA charts
- Nearby and favorite airports
- Airport search
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PilotPal is the easiest way to flight plan. PilotPal brings the FAA airport facility directory and Airport Diagrams to your pocket. Features: • Offline Charts: Easily download airports or entire regions for offline use • Airport Facility Directories • Airport Diagrams • Weather via METAR and TAF • Wind maps • Airport Information including: • Maps • Frequencies • Elevation • Helipads • Updated FAA charts every month so you're always up to date. • Nearby airports: Easily find airports around you • Favorite airports: Save your favorites for quick access • Airport search: Easily find any airport or helipad • Dark mode • iPad support Built by real pilots with a love for aviation Feedback or issues: tinybyteapps@gmail.com Legal: Airport facility directories and airport diagrams are provided by the FAA. Always consult appropriate and available sources to prepare for your flight. Our privacy policy is available at: https://pilotpal-1139.firebaseapp.com/privacypolicy.htm Our terms of service is available at: https://pilotpal-1139.firebaseapp.com/termsofuse.html
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.
- Altitude & Cloud Base Calculations
- Airspeed & Ground Speed Calculations
- Wind Component & Correction Tools
- Weight & Balance Calculations
- Unit & Currency Conversion
- Holding Pattern & Flight Plan Tools
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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
Verdict
The clearest difference is monetization model: RLM at free against PilotPal's free with in-app purchases. RLM also leads on update cadence (every 3 weeks vs every 3 months) and rating (5.0 vs 4.7). PilotPal's advantage is ratings volume (663 vs 2). On price, 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
Both are free to download. PilotPal sells 3 in-app purchases, starting at $0.99 per month and RLM sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
RLM holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: PilotPal has 663 ratings behind it against 2, so its average is the more settled of the two.
PilotPal ships an update every 3 months, RLM every 3 weeks. The most recent releases landed on September 22, 2026 and September 30, 2026 respectively.
| Parameter | PilotPal | RLM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (663 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 55.0% of reviews | — |
| Number of ratings | 663 — better | 2 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Tinybyte Apps LLC | R.L.M. Software |
Customer experience
PilotPal
RLM
Bugs and requests
PilotPal
Reported bugs
5 issues- Subscription verification loop - shows already subscribed but denies access
- Airport diagrams not displaying despite active subscription
- App stopped working after February update
- General app functionality failures
- Missing settings/preferences menu
Requested features
6 requests- Airport diagram printing functionality
- Ability to sort favorites tab
- Front and back page information inclusion
- Improved search functionality for VOR locations
- Legend/index documentation
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- Comprehensive chart supplement data (VFR corridors, visual reporting points, VOR test locations)
RLM
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PilotPal
- Airport Diagrams$0.991 Month
- PilotPal Monthly3 Days trial$2.991 Month
- PilotPal Pro3 Days trial$19.991 Year
RLM
- Lifetime Full Access$9.99









