Unlock the secrets of the atmosphere
Professional sounding analysis on Apple devices
Explore atmospheric profiles with interactive Skew-T diagrams, hodographs, and comprehensive sounding indices. Built natively for iPhone, iPad, and Mac.
Features
Everything you need for sounding analysis
Professional meteorological tools designed for the Apple ecosystem, with intuitive touch interactions and seamless sync.
Skew-T / Log-P
Interactive thermodynamic diagrams with temperature and dewpoint profiles. Pinch to zoom, tap for exact values at any level.
Hodograph
Visualize wind shear, helicity, and storm motion. Storm-relative vectors with left and right mover calculations.
Sounding Indices
CAPE, CIN, LI, K-Index, Total Totals, Showalter, and more — with color-coded severity levels.
Time-Height Sections
Contoured cross-sections showing temperature, dewpoint, humidity, and winds evolving through forecast hours.
Station Map & Custom Locations
Find nearby ASOS and NWS stations on an interactive map, or create custom virtual stations. 1 Free Auto-Fetch Station included.
Universal Import
Import standard forecast profiles (BUFKIT) from local files, email, or direct URLs. 5 Free Imports included.
Background Auto-Fetch
Always have the latest data waiting for you. Sondex automatically refreshes your pinned stations silently in the background.
Historical Archive
Browse past weather events and access our extensive historical data archive to reconstruct older atmospheric soundings easily.
Export & Share
Export pristine, high-resolution charts as images or share directly to social media. Perfect for rapid weather briefings.
Dashboard Widgets
Tailor your app home with customizable widgets: Hero Map, Threat Matrix, Activity Cards, and Model Comparisons.
Dark Mode & Themes
Engineered for all environments. Switch seamlessly between Light and Dark modes, or choose from premium color themes.
Unit Switching
Work in the exact units you prefer. Instantly toggle between Metric and Imperial measurements to match your personal workflow.
Professional Analysis on Every Device
Sondex is optimized for the capabilities of each platform, from the precision of Mac to the touch-first design of iPhone.
Interactive Charts
Beautiful, informative visualizations
Professional-grade atmospheric charts optimized for touch interaction and dark environments.
Skew-T / Log-P Diagram
The classic thermodynamic diagram used by operational meteorologists worldwide. Our implementation features smooth pan and zoom, tap-to-inspect functionality, and clear labeling at every pressure level.
All major forecast models, one tap away
Sondex connects directly to BUFKIT data sources, giving you access to the latest model runs. Select your station and download the data you need.
- Custom file import
Comprehensive Analysis
All the indices at a glance
Quickly assess atmospheric stability with color-coded severity indicators. Navigate between stability, shear, motion, and other parameter categories.
Sondex Pro
Start exploring the atmosphere for free. Upgrade for automation and power features.
Free
Powerful manual analysis tools for enthusiasts and students.
- Full Charting (Skew-T, Hodograph, Time-Height)
- All Indices (CAPE, SRH, SWEAT, etc.)
- All Weather Models (GFS, NAM, HRRR, RAP)
- Interactive Map & Station Search
- 1 Auto-Fetch "Home" Station
- Manual Data Fetching
Sondex Pro
For power users who need automation and customization.
- Everything in Free
- Unlimited Auto-Fetch Stations
- Background App Refresh
- Unrestricted File Imports
- Create Custom Stations
- Premium Themes