Drop.in + FLEXIPASS | Mobile Keys & Contactless Check-In
Already using Drop.in or thinking about leveling up your guest journey? Good — because this integration is where things get really interesting. Pair Drop.in’s tailored guest app with FLEXIPASS Digital Keys, and suddenly your hotel delivers a fully contactless arrival experience that actually feels effortless. Guests can check in, receive a mobile key via SMS, WhatsApp, or email, and head straight to their room. No downloads. No hassle. Just smooth.
This combination is especially powerful for properties across Germany, Switzerland, Austria, the Netherlands, and Belgium, but honestly — it works beautifully anywhere good hospitality matters.
WHAT IS Drop.in?
– A Guest App That Actually Feels Personal
Drop.in builds branded mobile guest apps that don’t just look good — they genuinely simplify how guests interact with your hotel. While guests get a clean, intuitive digital experience, your team gets a dashboard that helps them communicate, manage tasks, and automate the sort of small-but-time-consuming things that bog down operations.
Hotels use Drop.in to:
Give guests a polished, branded app they’ll actually use
Automate communication through SMS, WhatsApp, and email
Offer digital onboarding, self-check-in, and personalized recommendations
Keep staff aligned with a unified dashboard
And when you add FLEXIPASS Digital Keys into the mix? You don’t just have a great guest app anymore — you have a complete digital journey, from check-in to room access.
WHY CHOOSE FLEXIPASS + Drop.in?
Deliver mobile room keys right through Drop.in’s communication flow
Let guests unlock their room with one tap
Offer fully contactless check-in & check-out
Keep your existing locks (SALTO, ASSA ABLOY, Dormakaba, Vingcard — they all work)
Manage upsells, communication, and room access from one consistent journey
Works seamlessly with PMS providers like Stayntouch
It’s the kind of integration that makes sense.
Getting Started Is Simple — Just 3 Steps
Step 1:
Connect Drop.in to FLEXIPASS
Once connected, guests automatically get their digital key through SMS, WhatsApp, or email.
Step 2:
Choose Your Lock Provider
Almost every major online lock system is supported.
Step 3:
GO LIVE
Turn on mobile keys, sit back, and watch your check-in lines (and guest complaints) disappear.
How Guests Actually Receive Their Mobile Key
It’s beautifully simple:
Drop.in sends them a message → They tap the link → The door unlocks.
That’s it. No app installs. No awkward PIN codes. No “why isn’t this working?” moments.
And yes — this works for hotels, serviced apartments, and multi-property brands without any extra steps.
What Drop.in Says
“FLEXIPASS guided our Development team and helped us become confident with Webkeys. The partnership has been steady and reliable from the start.”
Derek Zwijnsbergen, Founder & CEO, Drop.in
Drop.in + FLEXIPASS, A hospitality experience that feels modern, intentional, and easy — for everyone involved.
Guests get convenience. Staff get time back. Hotels get better reviews.
It’s a win all around.
FAQs
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Drop.in sends guests their digital room key automatically through SMS, WhatsApp, or email. Guests tap once and the door unlocks. Simple as that.
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Nope. Everything works right from the link Drop.in sends them. No installs, no codes.
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Almost certainly. FLEXIPASS supports SALTO, ASSA ABLOY, Dormakaba, Vingcard, and many more.
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Absolutely. Once digital keys go out automatically, staff spend way less time handing out cards or fixing access issues.
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Yes — each FLEXIPASS key is encrypted, unique, and only valid for the specific guest and stay.
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Hotels, serviced apartments, boutique properties, multi-building brands — if you want a cleaner, more digital arrival experience, this fits.

