1Checkin: Auto Flight Check-in - Free Download

1Checkin is your personal flight assistant. Forward your booking confirmation once, and 1Checkin handles everything — checking you in the moment the airline opens check-in, securing your preferred seat, and delivering your boarding pass directly to your phone. No logins, no reminders, no missed check-ins. Whether you fly once a month or over a hundred times a year, 1Checkin saves you the time and stress of tracking check-in windows across dozens of airlines.

✈️ AUTOMATED FLIGHT CHECK-IN
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Checks you in automatically as soon as the airline opens online check-in
Works for every airline that offers online check-in
Boarding pass delivered directly in the app or to your email
Works even when you're offline or traveling internationally
Set seat preferences — window, aisle, or together with companions — applied automatically at check-in
Check in multiple passengers and travel companions under one booking

📋 PASSENGER & FLIGHT MANAGEMENT
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Store multiple passenger profiles — ideal for executive assistants and travel managers
Add secondary email addresses to forward bookings from personal or work accounts
Use your personal 1Checkin email address so bookings are added automatically
View all upcoming and past flights in one place
Track flight history, distances covered, and travel statistics across all passengers

⭐ 1CHECKIN FREQUENT FLYER
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For the price of a coffee at the airport, upgrade to Frequent Flyer and unlock unlimited check-ins for you and everyone who flies with you. Perfect for high-volume travelers and assistants managing multiple itineraries.

SIMPLE TO GET STARTED
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Getting started takes seconds:

Download 1Checkin
Forward your booking confirmation to your personal 1Checkin email address
That's it — we handle everything from here

No airline account logins required. No check-in windows to track. Just your boarding pass, ready when you need it.

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Have questions or feedback?
Reach us anytime at support@1check.in — we're always improving the app and love hearing from frequent flyers.