Jetstream Charts vs WhatTheFreq

Key features Library: One organized place for all your Jetstream Charts PDFs — airports, approach charts, sectionals and more. Offline downloads: Download high‑resolution navigational charts to your device for guaranteed access when flying without connectivity. Fast viewer: Smooth, high‑quality PDF rendering with pinch‑zoom, page jump and two‑pane viewing (on iPad) for quick reference. Quick search: Find airports, procedures and charts in seconds by name, ICAO/FAA identifier or keyword. Sync & security: Secure sign‑in with your Jetstream Charts account keeps your library and annotations synced across devices. Designed for pilots: Clear, legible display, optimized contrast for cockpit readability and easy navigation under pressure. Who it’s for Pilots and flight crews who already use Jetstream Charts and need a reliable, offline-ready PDF viewer. If you have a Jetstream Charts account, this app gives you fast, organized access to the exact PDFs supplied by the service. Important A Jetstream Charts account is required to access your PDFs. Availability of specific charts or datasets depends on your Jetstream Charts purchases. Get started Sign in with your Jetstream Charts credentials, download the navigational charts you need, and fly with confidence — access your official PDFs anytime, anywhere.

WhatTheFreq is a fast flight scratchpad for pilots who want airport frequencies, weather, runway wind context, and quick notes in one place. Enter a route and load the airports you care about in seconds. WhatTheFreq organizes key airport frequencies into clean, easy-to-scan cards so you can quickly reference ATIS, clearance, ground, tower, CTAF, UNICOM, approach, departure, and ASOS/AWOS data without bouncing between tabs or apps. The app also pulls METAR data and turns it into practical at-a-glance guidance. See flight category, wind, visibility, ceiling, and best-runway context with estimated headwind and crosswind components for available runway headings. WhatTheFreq is built for real cockpit workflow: • Load multiple airports in a route • View FAA airport frequency data in a simple card layout • Check live METAR conditions • See VFR, MVFR, IFR, and LIFR status at a glance • Compare runway wind components • Add your own temporary frequencies • Keep scratch notes for remarks, taxi routes, and clearances WhatTheFreq is designed as a lightweight pilot companion for quick reference and situational awareness. Not for primary navigation. Always verify frequencies, weather, and operational information with official sources and current procedures.