Description
Open2FA is a 100% free, open-source Two-Factor Authentication (2FA / TOTP) app for Garmin smartwatches. No subscriptions, no paywalls, and no locked features.
Built by the community for the community, Open2FA securely calculates your standard time-based one-time passwords directly on your wrist.
KEY FEATURES:
• 100% Free & Open Source: Licensed under the MIT License.
• Glance View: Quickly view your primary 2FA code right from the widget glance loop without opening the full app.
• Interactive Full View: Clean circular display with large, easily readable codes formatted as "123 456".
• Dynamic Progress Indicator: 3-stage colored countdown ring shows you exactly how much time remains
before rotation.
• Up to 15 Accounts: Store and navigate through up to 15 separate 2FA accounts.
• Full Navigation: Seamlessly cycle through accounts using touch swipes or physical buttons (UP/DOWN).
• URI Auto-Parsing: Easily configure accounts using raw otpauth://totp/... URIs or raw Base32 secret keys in the Garmin Connect mobile app
settings.
• Privacy-Focused: No internet connection needed to generate codes; your secrets remain safe on your device.
Screenshots
Supported language (1)
Compatible devices (169)
Approach® S70 (42mm)
Approach® S70 (47mm)
Captain Marvel
Captain Marvel
D2™ Air
D2™ Air X10
D2™ Mach 1
D2™ Mach 1 Pro
Darth Vader™
Darth Vader™
Descent™ Mk2S
Descent™ Mk2S
Descent™ MK3 - 43mm
Descent™ MK3i - 51mm
Enduro™
Enduro™
Enduro™ 2
Enduro™ 3
epix™ (Gen 2)
epix™ (Gen 2)
epix™ Pro (42mm)
epix™ Pro (47mm)
epix™ Pro (51mm)
fēnix® 5
fēnix® 5
fēnix® 5 Plus
fēnix® 5 Plus
fēnix® 5S
fēnix® 5S
fēnix® 5S Plus
fēnix® 5S Plus
fēnix® 5X
fēnix® 5X
fēnix® 5X Plus
fēnix® 5X Plus
fēnix® 6
fēnix® 6
fēnix® 6 Dual Power
fēnix® 6 Pro
fēnix® 6 Pro
fēnix® 6 Pro Dual Power
fēnix® 6 Pro Solar
fēnix® 6 Solar
fēnix® 6S
fēnix® 6S
fēnix® 6S Dual Power
fēnix® 6S Pro
fēnix® 6S Pro
fēnix® 6S Pro Dual Power
fēnix® 6S Pro Solar
fēnix® 6S Solar
fēnix® 6X Pro
fēnix® 6X Pro
fēnix® 7
fēnix® 7
fēnix® 7 Pro
fēnix® 7 Pro – Solar Edition (No Wi-Fi®)
fēnix® 7S
fēnix® 7S
fēnix® 7S Pro
fēnix® 7X
fēnix® 7X
fēnix® 7X Pro
fēnix® 7X Pro No Wi-Fi
fēnix® 8 AMOLED (43mm)
fēnix® 8 AMOLED (47mm/51mm)
fēnix® 8 Pro
fēnix® 8 Solar (47mm)
fēnix® 8 Solar (51mm)
fenix® 9 - 43 mm
fenix® 9 – 47 mm
fenix® 9 Pro - 43 mm
fenix® 9 Pro - 47 mm
fenix® 9 Pro - 51 mm
fenix® 9 Pro - Solar 47 mm
fenix® 9 Pro - Solar 51 mm
fēnix® Chronos
fēnix® Chronos
fēnix® E
First Avenger
First Avenger
ForeAthlete 245
ForeAthlete 245 Music
ForeAthlete 645
ForeAthlete 645 Music
ForeAthlete 745
ForeAthlete 935
Forerunner® 165
Forerunner® 165 Music
Forerunner® 245
Forerunner® 245
Forerunner® 245 Music
Forerunner® 245 Music
Forerunner® 255
Forerunner® 255 Music
Forerunner® 255S
Forerunner® 255S Music
Forerunner® 265
Forerunner® 265S
Forerunner® 645
Forerunner® 645 Music
Forerunner® 745
Forerunner® 935
Forerunner® 945
Forerunner® 945
Forerunner® 945 LTE
Forerunner® 955 Dual Power
Forerunner® 965
MARQ® (Gen 2)
MARQ® Commander (Gen 2) – Carbon Edition
MARQ™ Adventurer
MARQ™ Adventurer
MARQ™ Athlete
MARQ™ Athlete
MARQ™ Aviator
MARQ™ Aviator
MARQ™ Aviator (Gen 2)
MARQ™ Captain
MARQ™ Captain
MARQ™ Commander
MARQ™ Commander
MARQ™ Driver
MARQ™ Driver
MARQ™ Expedition
MARQ™ Expedition
MARQ™ Golfer
MARQ™ Golfer
Mercedes-Benz Venu®
Mercedes-Benz Venu®
Mercedes-Benz Venu® 2
Mercedes-Benz Venu® 2
Mercedes-Benz Venu® 2S
Mercedes-Benz Venu® 2S
quatix® 6
quatix® 6X
Rey™
Rey™
tactix® 7
tactix® 7 – AMOLED Edition
tactix® 8 – 47 mm, AMOLED
tactix® 8 – 51 mm, Solar
Venu®
Venu®
Venu® 2
Venu® 2
Venu® 2 Plus
Venu® 2 Plus
Venu® 2S
Venu® 2S
Venu® 3
Venu® 3S
Venu® Sq.
Venu® Sq.
Venu® Sq.
Venu® Sq.
Venu® Sq. 2
Venu® Sq. 2 Music
Venu® Sq. Music
Venu® Sq. Music
Venu® Sq. Music
Venu® Sq. Music
vívoactive® 3 Music
vívoactive® 3 Music
vívoactive® 3 Music
vívoactive® 4
vívoactive® 4
vívoactive® 4S
vívoactive® 4S
vívoactive® 5