APPS-AT-AGLANCE

Activecaptain: garmin .com; free, with in-app purchases

Alltrails: alltrails.com; free or $30 per year for the professional version

Anchor Watch: peckishsloth.com; from $6

C-map: Boating: c-map .com; free, with in-app purchases

First Aid: American Red

Cross: redcross.org; free

Fishbrain: fishbrain.com; free, with in-app purchases

Gaia GPS: gaiagps.com; free, with in-app purchases

ibird Pro: ibird.com; $15

Marinetraffic: marinetraffic.com; free, with in-app purchases

Navionics: navionics.com; free, with in-app purchases

Snag-a-slip: snagaslip .com; free

Star Walk 2: starwalk .space/en; from $3

Coast Guard: uscgboating .org; free

WEBMD: webmd.com; free

Whaleguide: ocean-pix .de; $10

Whatsapp: whatsapp .com; free

Wifi Finder: etrality.com; $5 for three months or $10 per year

Xe Currency & Money

Transfers: xe.com; free