HotSOS Mobile vs KNOW HK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HotSOS Mobile
Empower hotel staff with a mobile solution for service and facilities management. Access service orders, perform inspections, and manage operations on the go to enhance guest stays.
- Service order management
- Guestroom inspections
- Public space inspections
- Role-based access
- On-the-go operations management
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HotSOS Mobile extends Amadeus' award winning desktop Hotel Service Optimization System to the field on mobile tablets and smartphones. HotSOS is the premier application for empowering hotel employees to provide guests the best possible stay from a service and facilities perspective. Through HotSOS Mobile, employees and managers can access multiple functions catered to their role within the hotel operations.... The role based access notifies staff of awaiting service orders and allows them to view detailed information and manage pending work better. HotSOS Mobile also gives the ability to generate service orders and perform guestroom or public space inspections and gives department heads and hotel managers a tool to easily manage operations on the go. Please contact hospitality.support@amadeus.com to inquire more about Amadeus' innovative hotel solutions.
KNOW HK
This software streamlines hotel housekeeping operations by automating tasks, providing guest preferences, and tracking room status. It helps hotels reduce costs, go green, and improve efficiency for both supervisors and attendants.
- Automates daily housekeeping tasks
- Provides guest preference information
- Tracks room attendants and status
- Manages environmentally friendly cleaning programs
- Reduces paper consumption and phone calls
- Offers 360-degree view for supervisors
- Enables direct room status updates in PMS
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KNOW HOUSEKEEPING helps automate daily housekeeping activities, resulting in dramatic increase in productivity and large savings in housekeeping costs. This easy-to-use software automates and simplifies a number of time consuming housekeeping tasks like setting the room cleaning sequence, providing attendants with guest preference information, tracking room attendants, updating rooms status in the PMS and so on. The system enables hotels to go green by helping them set up and manage environmentally friendly cleaning programs as standard or based on guest preferences. The software reduces paper consumption and eliminates hundreds of phone calls between the housekeeping desk, floor staff and front office. KNOW HOUSEKEEPING allows the following for housekeeping supervisors: * 360 degree view of the section * Turn around rush rooms faster * Re-assign rooms with a press of a button * Receive inspection alerts * Report a discrepancy * Cater to guest’s special requests * Easy access to check lists & SOPs KNOW HOUSEKEEPING allows the following for housekeeping attendants: * Information on room to clean next * Complete guest info: preferences, specials, pax, etc * SOPs for quick reference * Send alerts to supervisors * Direct room status update in PMS
Screenshots
Verdict
The clearest difference is rating: KNOW HK at 5.0 against HotSOS Mobile's 2.6. HotSOS Mobile's advantage is ratings volume (58 vs 3). 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.
KNOW HK holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: HotSOS Mobile has 58 ratings behind it against 3, so its average is the more settled of the two.
HotSOS Mobile ships an update every 4 months, KNOW HK every 2 months. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.
| Parameter | HotSOS Mobile | KNOW HK |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (58 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 4.3% of reviews | — |
| Number of ratings | 58 — better | 3 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 7 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | MTech | Knowcross Ltd |
Customer experience
HotSOS Mobile
KNOW HK
In-app purchases
HotSOS Mobile
No in-app purchases
KNOW HK
No in-app purchases









