Comparison

ACN/PCN Calculator vs Compass Pilot Selection

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

Head to head
About

ACN/PCN Calculator

This app calculates aircraft pavement classification numbers (PCN) and aircraft classification numbers (ACN) to assess airport pavement strength. It helps pilots and aviation professionals ensure safe operations by verifying aircraft weight limitations on runways, taxiways, and aprons.

Highlights
  • ACN/PCN calculation
  • Pavement strength evaluation
  • Aircraft weight verification
  • ICAO ACN/PCN method
  • Comprehensive aircraft database
  • User-friendly interface
Features
Read full description

ACN/PCN Calculator The Ultimate Pavement Strength Tool for Aviation Professionals The ACN/PCN Calculator is your go-to app for evaluating the bearing strength of airport pavements, designed specifically for pilots, flight operations engineers, dispatchers, and airport operators. Whether you’re dealing with flexible or rigid pavements, this app ensures precise calculations to verify safe operations on runways, taxiways, and aprons. By leveraging the ICAO ACN/PCN method, as outlined in Annex 14 and Document 9157 Part 3, the calculator simplifies complex computations, helping you determine the maximum allowable aircraft weight with confidence. Why Choose the ACN/PCN Calculator? • Comprehensive Aircraft Database: Data is sourced from manufacturers’ publications, including the Aircraft Characteristics for Airport Planning (ACAP) manuals. Where necessary, ICAO-recommended methods or alternative sources ensure accuracy. • User-Friendly Design: Optimized for iPhone 8+ screens and fully compatible with iPads, the interface is intuitive and easy to navigate. Supported Aircraft Models Our extensive database includes popular aircraft from leading manufacturers: A300BeK/B4/B4-600R, A319, A320, A321, A330 (all variants), A340 (all variants), A350 (all variants), A380. B727-200, B737 (all variants), B747-400 (all variants), B747-8/F, B757-200/300, B767 (all variants), B777 (including ER/LR/F variants), B787 (all variants). DHC-8-Q400, Global Express/XRS, G5000, G6000, G7500, CRJ series (100-1000), LearJet (31A/ER, 40, 45, 60/XR), Challenger (300, 350, 604, 605). Cessna Citation II, Bravo, S/II, Encore/Encore+, Jet 3/4, Latitude, Sovereign/Sovereign+, Citation X/XLS+. E170, E195, EMB-120/135, Praetor 600, Phenom 300. G650/ER, G600, G550, G500, G450, G400, G280, G200, GVII-G500/600. An-12, An-124-100/M. ATR 42, ATR 72. Convair CV-580/5800. Falcon: 7X, 50/50EX, 900 (all versions), 2000/2000EX. IL-76T/TD. Beechjet 400 series, Hawker 400XP. Request Additional Aircraft: if you don’t see your aircraft listed, use the Feedback button in the Info tab to request additions.  Aircraft data is regularly updated to meet user needs.

About

Compass Pilot Selection

Features
Read full description

The COMPASS app introduces the concept of remote testing by allowing candidates to take their assessments from virtually anywhere in the world, with internet access only required to login and upload results. The COMPASS app contains several tests that assess the student cognitive, eye hand coordination and personality. COMPASS software provides ATOs and Airlines with the tools to efficiently and reliably select candidate pilots, ranging from students to experienced aviators. Our in-house development team is also dedicated to releasing frequent updates, including new features and important bug fixes, based on the valuable feedback our support team receives. A client account or token that is supplied by invitation is required to gain access to our pilot selection services. If you are an ATO, Airline or Training Organization and would like to create an account or would like to receive more information about the product, please contact Compass.

Screenshots

ACN/PCN Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Compass Pilot Selection at none against ACN/PCN Calculator's 27. Compass Pilot Selection also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (15.0 vs 17.6). On price, ads 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. ACN/PCN Calculator sells 27 one-off in-app purchases. Compass Pilot Selection asks for nothing beyond the download.

UpkeepUpdate frequency

ACN/PCN Calculator ships an update every 2 months, Compass Pilot Selection fortnightly. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
ACN/PCN Calculator versus Compass Pilot Selection: the parameters behind the verdict, then further details
ParameterACN/PCN CalculatorCompass Pilot Selection
PriceFreeFree
Rating4.6 (144 ratings) — better—
Positive reviews45.5% of reviews—
Number of ratings144 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPad
Requires iOS17.615.0 — better
Further details — not scored
Size4 MB226 MB
Age rating4+17+
DeveloperAeroKitPro LLCCompass International BV

In-app purchases

27 purchases

ACN/PCN Calculator

One-time27
  • G600 (41.7t)Free
  • B737 BBJ (77.7t)$4.99
  • G650 (45.3t)$4.99
Show 24 more
  • Global 5000 (42.0t)$4.99
  • Global 5000 GVFD (42.0t)$4.99
  • Global 6000 (45.2t)$4.99
  • Global Express (44.5t)$4.99
  • G650ER (47.1t)$4.99
  • G650ER (45.3t)$4.99
  • G650ER (45.1t)$4.99
  • G550 (41.4t)$4.99
  • G450 (33.7t)$4.99
  • G280 (18.0t)$4.99
  • GIV-SP (34.0)$4.99
  • CL300 (17.69t)$4.99
  • Global 7500 (52.2t)$4.99
  • GVII-G600 (43.09t)$4.99
  • Citation XLS+ (9.25t)$4.99
  • FALCON 7X (31.8t)$4.99
  • GV (41.2t)$4.99
  • FALCON 2000EX (19.27t)$4.99
  • Global 6000 (44.5t)$4.99
  • G700 (48.9t)$4.99
  • GVII-G500 (36.28t)$4.99
  • Global Express (45.2t)$4.99
  • G450 (34.0t)$4.99
  • Global Express XRS (45.2t)$4.99
None

Compass Pilot Selection

No in-app purchases

Questions

Is ACN/PCN Calculator free?
ACN/PCN Calculator is free to download, with in-app purchases available.
Is Compass Pilot Selection free?
Compass Pilot Selection is free to download, with no in-app purchases.
Do ACN/PCN Calculator or Compass Pilot Selection have ads?
Neither ACN/PCN Calculator nor Compass Pilot Selection shows ads.
Which is updated more often, ACN/PCN Calculator or Compass Pilot Selection?
ACN/PCN Calculator ships an update every 2 months, and Compass Pilot Selection fortnightly. Most recently, ACN/PCN Calculator was updated on November 2, 2026 and Compass Pilot Selection on October 27, 2026.

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