GPSMAP® 66i Apps

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komoot - hike, bike & run

 komoot-GmbH komoot-GmbH
No Pay
Device App Device App
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Maps4Garmin (Free) with Weather Radar (Paid)

SirLancelot SirLancelot
No Pay
Device App Device App
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Wikiloc Trails

 wikiloc wikiloc
No Pay
Device App Device App
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Calculator r.485

 r.485 r.485
No Pay
Widget Widget
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Stopwatch

 r.485 r.485
No Pay
Widget Widget
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Fat Burner

 peterdedecker peterdedecker
No Pay
Data Field Data Field
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Battery Widget with automatic charge detection

 dsapptech dsapptech
No Pay
Widget Widget
App Icon

Heart Rate Zones Chart

 ronnywinkler ronnywinkler
No Pay
Data Field Data Field
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GPS Position (LLA, UTM, USNG, MGRS, QTH, & more)

 magmiles magmiles
No Pay
Device App Device App
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Pomodoro

 klimeryk klimeryk
No Pay
Device App Device App
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ANT+ HRM Heart Rate Monitor ❤️

 flocsy flocsy
No Pay
Data Field Data Field
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Temperature

 Navicom Navicom
No Pay
Widget Widget
App Icon

Rain - free basic version included

 VAW.BE VAW.BE
No Pay
Widget Widget
App Icon

F3b Strength Training+

 f3b f3b
Payment
Device App Device App
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Compass

 Navicom Navicom
No Pay
Widget Widget
App Icon

F3b Heart Monitor+HRV

f3b f3b
Payment
Device App Device App
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Sonos

 zmullett zmullett
No Pay
Widget Widget
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Eat! Drink! Reminder!

 peterdedecker peterdedecker
No Pay
Data Field Data Field
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F3b Inline Skating+

 f3b f3b
Payment
Device App Device App
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mapField

 mappicus mappicus
No Pay
Data Field Data Field
App Icon

Temps

 jim_m_58 jim_m_58
No Pay
Widget Widget
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Navigation through Google Maps

 ProgApps ProgApps
Payment
Device App Device App
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2048 Ultimate

 HighByteGames HighByteGames
No Pay
Device App Device App
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DashFit (Running, Biking, Swimming, etc)

 frinkr frinkr
No Pay
Data Field Data Field
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Heart Rate Stress Score

 Rider68 Rider68
No Pay
Data Field Data Field
App Icon

2048 Legacy

 HighByteGames HighByteGames
No Pay
Device App Device App
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Weather Radar Widget - w/Free 21 Day Trial

 sabeard sabeard
Payment
Widget Widget
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Emergency Info

 HarryOnline HarryOnline
No Pay
Widget Widget
App Icon

OWM Weather

 jim_m_58 jim_m_58
No Pay
Widget Widget
App Icon

routeCourse

 mappicus mappicus
Payment
Device App Device App