Tourism · Mobile app · 2025 · 26+ weeks · AP4 Digital

TMRW Hotels mobile app

A complete smart-hotel system — reception, room key and concierge in a single mobile app, from booking to check-out. What if the reception desk, the room key and the concierge all fit in your pocket? That idea sparked the TMRW Hotels project, in which we built a complete smart-hotel system. The platform condenses everything from booking to check-out into a single application, taking guest experience and hotel efficiency to a new level.

  • Front-desk interactions: −85%
  • Check-in time: < 2 min
  • Plastic key cards: 0
  • Platform: iOS + Android
The project at a glance
ClientTMRW Hotels
IndustryTourism · Mobile app
Duration26+ weeks
Team4 people (iOS · Android · Backend · QA)
Production · Under NDA if needed · 1-page proposal within 48 hoursContact ↓
−85% Front-desk interactions< 2 min Check-in time0 Plastic key cardsiOS + Android Platform
TMRW Hotels
Production build
The project

Challenge · Solution · Outcome

01 · Challenge

The goal was to create a fully digital guest experience. We wanted to replace queues and plastic key cards with a single convenient mobile app that lets guests handle everything — from booking a room and opening the door to controlling the air conditioning.

02 · Solution

We developed a native mobile app for iOS and Android in which guests can do everything from booking through payment and digital check-in to unlocking their room door. Behind the scenes, we also built a comprehensive administration interface where hotel staff can efficiently manage bookings, housekeeping tasks and guest requests.

03 · Outcome

The outcome is a game-changing system that completely rewrites the guest experience. Guests get a faster, contactless and more convenient service, while hotel operators gain a more cost-effective, largely automated operating model.

Technology stack

What we built it with.

iOS (Swift)Android (Kotlin)PHPVue.jsAmazon AWSBLE mobile-key
Gallery

How it looks in production.

0104
TMRW Hotels mobile app — 2. screen
0204
TMRW Hotels mobile app — 3. screen
0304
TMRW Hotels mobile app — 4. screen
0404
Next step

Let's talk about your project.

A 30-minute call. A 1-page proposal within 48 hours. A senior tech lead from the first call.

Request a proposal within 48 hourshello@ap4.hu