Arc vs Aerogram

See rain, temperature and wind together, with a visual forecast you can explore. Arc gives the forecast a shape you can follow. Clouds, temperature and wind move together across one fluid timeline, making the changing day clear at a glance. Hyperlocal forecasts powered by Apple Weather, presented in clear, interactive charts. An atmospheric view brings current conditions to life, with a concise summary of the weather. Explore the days ahead or uncover the details of any hour, right from the chart. Pro adds radar with an interactive timeline, unlimited locations, more frequent updates and weather alerts, plus Home Screen widgets and an Apple Watch experience built around the same visual forecast. Radar coverage varies by region. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Aerogram turns your route into a complete preflight weather briefing — built for pilots, fast to check at the gate and fully usable offline in the air. GRAMET — route cross-section Clouds, icing, freezing levels, the tropopause, turbulence and winds along your entire route in one vertical chart, with your cruise level overlaid. Pan, zoom or open it full screen. Route & plan chart A top-down view of the route with SIGMETs, alternates, a 2D turbulence/convection field and a satellite layer. Destination & alternates • MOSMIX hourly cards and meteogram centered on your landing time • METAR and TAF with the period that covers your operation highlighted • Estimated ceiling, flight category (VFR/MVFR/IFR/LIFR) and probable runway by wind • NOTAMs with aerodrome/runway closure flags around your ETA Smart route analysis • SIGMETs that intersect your corridor • Turbulence (EDR) warnings by phase and time of flight • Wind/level trade: the best cruise level for the winds, with save/penalty vs your current FL • Live GPS position plotted on the charts AI briefing An optional plain-language summary of the whole study. Offline & PDF Every study is saved for offline consultation in flight and can be exported as a full, multi-page PDF to share or file. Free to use, with an optional Pro subscription for unlimited studies and AI briefings. Advisory only. Aerogram is a planning aid and does not replace official meteorological and aeronautical information sources. Always consult the official briefing for your flight. Weather data: GFS / Open-Meteo, DWD MOSMIX, AWC (SIGMET). Aeronautical data from official sources. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/