GAB Aviation Tools vs ChronoCalc Pro

GAB Aviation Tools brings together aviation calculators, flight planning, live traffic, weather, and training tools for pilots, flight crew, students, instructors, and aviation enthusiasts. Prepare for flights, practise procedures, explore nearby aircraft, and track your aviation journey in one easy-to-use app. **Key Features** **Live ADS-B & OGN Traffic** - Live aircraft positions from ADSB.lol - Optional Open Glider Network traffic - Callsign, registration, aircraft type, altitude, speed, and track when available - Filters, favorites, and adjustable map labels - Search by callsign, registration, or ICAO24 - Registration lookup with automatic ICAO24 identification - Callsign airline and registered owner when available - Best-effort published routes - Follow aircraft with a current-flight ground track when available - Adjustable refresh settings and clear source attribution **Airport Log & Route Tracking** - Log visited airports and flown routes - iCloud sync across devices - Statistics and filters by year, aircraft type, airport, and route - Interactive maps with offline airport details - View unique routes from a selected airport - Great-circle mapping and distance calculations - Import and export for backups and sharing **Nighttime & Flight Planning** - Estimate nighttime along a great-circle route - Interactive map and timeline showing day, twilight, and night - Sunrise, sunset, and night transitions along the flight - World overview for long routes and offline use - Flight time, descent, and Top-of-Descent calculators - Turn radius and bank angle calculations **Pilot Brief & Visual Planning** - Condensed airport and weather information - Color-coded wind information - VFR traffic pattern visualization - Beam calculator with approach visualization - Wind calculator visuals **Duty Day Calculator** - Customizable crew rules and limitations - UTC, local time, and countdown formats - Saved profiles and configurations - Duty, FDP, and reporting calculations - Live Activity countdowns on the iPhone Lock Screen and Dynamic Island **Weather & METAR/TAF** - METAR and TAF decoding - Visibility, RVR, clouds, weather phenomena, and remarks - Zulu and airport-local times - Saved weather groups with automatic parallel updates - Report update times and group freshness indicators - Cached reports for offline access - TAF source fallback and attribution - Nearest airport METAR widget for small, medium, and large sizes **Holding Entry Trainer** - Direct, Parallel, and Teardrop/Offset entries - ICAO and FAA modes - Automatic sector determination **Temperature, Altitude & Wind** - ICAO Doc 8168 temperature corrections - Pressure Altitude and Density Altitude - Headwind, tailwind, and crosswind calculations - Aircraft-specific wind limits **Conversions & Lookups** - Speed, distance, altitude, pressure, temperature, weight, volume, and time conversions - Airport, callsign, registration, and aviation abbreviation lookups - Updated callsign data with custom entries **Training & Utilities** - Morse Code and SELCAL trainers - Display flashlight with Home Screen quick actions - Sunrise, sunset, moonrise, and moonset calculations - Coordinate selection and mapping - Aviation calendar and operational references **Data & Storage** - ICAO procedures and operational concepts, including ICAO Doc 8168 - Weather from NOAA Aviation Weather and supporting sources - ADSB.lol and Open Glider Network traffic under ODbL - mwGG airportsdata airport and timezone data under the MIT License - Natural Earth offline world maps - Offline access to saved tools, profiles, logs, and cached weather - iCloud sync and export for independent backups - No subscriptions or advertising Designed for everyday use, from quick cockpit calculations to flight preparation and training. Clear visualizations make aviation concepts easier to understand, while saved settings keep your tools ready for the next flight.

The simplest and most powerful way to calculate time. Perfect for pilots, freelancers, consultants, and anyone who needs to track and calculate hours with precision. FEATURES: - Pro Time Math - Add, subtract, multiply, and divide time values effortlessly. - Live Preview - See the result as you type. Tap = to save it. - Flexible Time Input - Enter time your way: 1h30m, 1:30, or with a comma. The first time you type a comma, you choose what it means: 7,5 as 7h 30m (decimal hours) or as 7h 5m (hours and minutes). - Instant Decimal Conversion - Switch between standard time (1h 30m) and decimal hours (1.50 hrs) right next to the result, with customizable decimal precision. - History - Your last 100 calculations, one tap to reuse a result. On iPad, a full-height history panel grouped by day. Delete single entries or clear it all. - Clear Error Messages - Plain-language hints show what went wrong and which line to fix. - CSV Import/Export - Import time logs or export your calculation history, with a configurable delimiter (comma, semicolon, or tab). Timesheets work in English, Norwegian, Swedish, Danish, German, French, and Spanish. - Quick Copy - Copy the result to your clipboard with a single tap. - Designed for iPhone and iPad - Layouts for portrait and landscape, with Liquid Glass on iOS 26. - Accessible - VoiceOver reads times in whole words and announces every result. Keys support Dynamic Type and the Large Content Viewer, and animations respect Reduce Motion. - Your Language - Available in English, Norwegian, Swedish, Danish, German, French, and Spanish. - Smart & Robust - Handles negative time values and seconds with correct formatting. PERFECT FOR: - Pilots: Logging flight hours and calculating block time. - Freelancers & Consultants: Tracking billable hours and creating invoices. - Project Managers: Calculating project durations and resource timing. - Anyone: Converting time formats, adding up timesheets, or any task that involves time math. No ads. No subscriptions. Your data is 100% private and never leaves your device.