CoNav

Actually does

• ✓Compass90% of reviews
• ✓Расчёт ETA (расчётное время прибытия)10% of reviews
• ✓Расчёт истинного ветра (True Wind Calculation)15% of reviews
• ✓Offline-first10% of reviews
• ✓Ad-free(bonus)5% of reviews

Claimed, but not confirmed by reviews

• ⚠Небесная навигация (расчёт позиции по светилам)
• ⚠Справочник портов (18,000 портов с UN LOCODE)
• ⚠Unit converter
• ⚠Расчёт времени восхода/захода солнца и сумерек

Common complaints

• ✗App crashes when using Celestial Navigation function14% of mentions

  «Celestial doesn't work. App closes when pressing fix. That's a significant downside for a paid app.»

• ✗Crashes when manually entering coordinates in Celestial Navigation section14% of mentions

  «App crashes when manually entering coordinates (Celestial Navigation section)»

• ✗Insufficient features for manual input/correction of data (courses, declination)20% of mentions

  «Please add the ability to manually enter declination»

• ✗Magnetic declination calculated inaccurately (±1 degree discrepancy with current maps)10% of mentions

  «Updated maps show values ±1 degree off from what the app displays»

• ✗Geolocation does not enable automatically when activated in the app7% of mentions

  «Recently, when enabling geolocation in the app, automatic location search does not start»

What people praise

• ★Accurate and reliable magnetic declination calculation (verified with almanac)

  «The correction is calculated accurately, I checked it with the almanac, everything matches»

• ★Simple and convenient interface, understandable for beginners

  «Simple and clear interface even for a beginner»

• ★Saves time on routine calculations for filling logs

  «Simplifies routine work of filling logs and calculations»

• ★App is actively used daily on ships

  «Daily use onboard ship»

• ★Developer actively listens to users and adds features

  «The author never stops surprising us. He transforms a simple magnetic declination calculator into a fully-featured application»

Where to install