Lubn vs QT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lubn
This app allows property owners and managers to remotely control access to their properties. It facilitates secure key exchange for guests and service providers, offering real-time notifications and status updates.
- Remote key exchange management
- Guest access scheduling
- Real-time notifications
- Property access status monitoring
- Multi-property management
- Intelligent business performance summaries
Read full descriptionHide full description
LubnBox is the world's first 4G/LTE key box for property owners, managers, realtors and B&B hosts to remotely manage key exchange activities and more. It gives the property managers the freedom to intelligently manage the property access by Lubn’s patented system and also gives the freedom to the guests so they can check-in or check-out anytime within the scheduled hours with no app installation. The key features of Lubn App include: GUESTBOOK You decide who can access your property. Simply add your guest's phone number, set the permission level and the time of check-in and out. SCHEDULE Timeline and Calendar views provide you with full visibility and control of your access schedules. NOTIFICATION Automated notifications will remind your guests and service providers of when to check-in/out; while informing you on guest check-in/out in real-time. STATUS With a quick glance, you will know if the Key Magazine has been returned, or learn how long before LubnBox batteries need to be replaced. SUMMARY Intelligent summary views help you understand and improve the performance of your rental business. PROPERTY LIST View and manage all your properties in a single app. You are always in control of all of your properties with Lubn App.
QT
Read full descriptionHide full description
QT code has the characteristics of high security, concealment, fast recognition and minimal size. It is an excellent anti-counterfeiting code.
Screenshots
Verdict
The clearest difference is iOS requirement: QT at 10 against Lubn's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Lubn ships an update every 3 months, QT every 2 months. The most recent releases landed on October 7, 2026 and October 29, 2026 respectively.
| Parameter | Lubn | QT |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (7 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 10 — better |
| Further details — not scored | ||
| Size | 73 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | Lubn Inc | BSN (HK) Limited |
In-app purchases
Lubn
No in-app purchases
QT
No in-app purchases
