Does the aeronautical data cover your flight area?
An app that works great in the United States may have limited coverage in Europe. Before you pay, be sure to check the geographic coverage carefully.
- Are VFR/IFR charts available for the countries where you usually fly?
- Are the AIPs, VAC sheets, and supplements included, or do you need to import them?
- Does the data follow the 28-day AIRAC cycle?
Subscriptions are often sold by region: make sure the plan you choose includes your training airfield and your destinations.