# HotSOS Mobile vs KNOW HK

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.

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.

## The numbers

| Metric | HotSOS Mobile | KNOW HK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (58 ratings)](https://appshunter.io/ios/app/hotsos-mobile/id704551252/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/know-hk/id908300947/reviews)** |
| Number of ratings | **58** | 3 |
| Positive reviews | 4.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 7 MB | 43 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MTech](https://appshunter.io/developer/300466381) | [Knowcross Ltd](https://appshunter.io/developer/1117325429) |

## What reviewers say

### HotSOS Mobile

[App page](https://appshunter.io/ios/app/hotsos-mobile/id704551252)

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.

**Highlights:** Service order management, Guestroom inspections, Public space inspections, Role-based access, On-the-go operations management

**Features:** macOS Compatibility

**In-app purchases:** none


### KNOW HK

[App page](https://appshunter.io/ios/app/know-hk/id908300947)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HotSOS Mobile free?

HotSOS Mobile is free to download, with no in-app purchases.

### Is KNOW HK free?

KNOW HK is free to download, with no in-app purchases.

### Which has better reviews, HotSOS Mobile or KNOW HK?

KNOW HK is rated higher. HotSOS Mobile averages 2.6 out of 5 from 58 ratings, while KNOW HK averages 5.0 from 3 ratings.

### Do HotSOS Mobile or KNOW HK have ads?

Neither HotSOS Mobile nor KNOW HK shows ads.

### Which is updated more often, HotSOS Mobile or KNOW HK?

HotSOS Mobile ships an update every 4 months, and KNOW HK every 2 months. Most recently, HotSOS Mobile was updated on September 24, 2026 and KNOW HK on September 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*