Comparison

HotSOS Mobile vs KNOW Maintenance

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Service order management
  • Guestroom inspections
  • Public space inspections
  • Role-based access
  • On-the-go operations management
Features
Read full description

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.

About

KNOW Maintenance

Streamline asset management and preventive maintenance for facilities. This intuitive platform digitizes scheduling and work order processes, improving asset lifespan and team efficiency. Collaborate seamlessly with dynamic checklists and real-time communication.

Highlights
  • Asset maintenance management
  • Work order creation and tracking
  • Preventive maintenance scheduling
  • QR code scanning for asset info
  • Real-time communication and notifications
  • Digital checklists and SOPs
Features
Read full description

Know Maintenance is the ideal solution to manage assets and preventive maintenance requirements for hotels and other facilities. This modern and intuitive solution helps improve asset life and makes life easier for maintenance teams. It's intuitive user platform, for both web and mobile users, enables digital transformation of current asset management, scheduling and maintenance processes.. The dynamic and detailed checklist function ensures all work orders are completed upto standards allowing different departments to collaborate seamlessly. With KMT’s mobile app, you can create work orders, click snaps of broken assets and attach them to WOs and assign Work Orders to technicians. MANAGE ALL ASSET MAINTENANCE Scan QR codes to view asset information, history and create WOs Track costs associated with parts and vendors Standardize maintenance defining Checklists and instructions Add images/documents with defined SOPs View entire work history for any asset CREATE AND MANAGE WORK ORDERS Create WOs and assign to Technicians Organize WOs by due date, type, status, location and more Track time spent on each WO using Start and Complete actions Park WO and Reassign to other technician Add costs associated with parts and vendors Add remarks or attachments at any stage of execution Manage tasks using Checklists and instructions REAL TIME COMMUNICATION Instant email and push notifications on different stages of WOs Real time status tracking on WO Console Communicate with your team on progress PREVENTIVE MAINTENANCE Schedule PMs for individual assets or categories Assign PM to an individual or team Assign multiple schedules to an asset Define variance for PM compliance Schedule PMs based on asset usage

Screenshots

HotSOS Mobile3 screens
KNOW Maintenance4 screens

Verdict

The call

The clearest difference is update cadence: KNOW Maintenance at every 6 weeks against HotSOS Mobile's every 4 months. HotSOS Mobile's advantage is iOS requirement (12.0 vs 15.6). On price, review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HotSOS Mobile ships an update every 4 months, KNOW Maintenance every 6 weeks. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 8 level
HotSOS Mobile versus KNOW Maintenance: the parameters behind the verdict, then further details
ParameterHotSOS MobileKNOW Maintenance
PriceFreeFree
Rating2.6 (58 ratings) — better—
Positive reviews4.3% of reviews — better0.0% of reviews
Number of ratings58 — better—
Update frequencyEvery 4 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size7 MB42 MB
Age rating4+4+
DeveloperMTechKnowcross Ltd

Customer experience

HotSOS Mobile

All ratings58 ratings
Positive37.9%
Neutral6.9%
Negative55.2%
Written reviews23 reviews
Positive4.3%
Neutral13.0%
Negative82.6%

KNOW Maintenance

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

HotSOS Mobile

No in-app purchases

None

KNOW Maintenance

No in-app purchases

Questions

Is HotSOS Mobile free?
HotSOS Mobile is free to download, with no in-app purchases.
Is KNOW Maintenance free?
KNOW Maintenance is free to download, with no in-app purchases.
Do HotSOS Mobile or KNOW Maintenance have ads?
Neither HotSOS Mobile nor KNOW Maintenance shows ads.
Which is updated more often, HotSOS Mobile or KNOW Maintenance?
HotSOS Mobile ships an update every 4 months, and KNOW Maintenance every 6 weeks. Most recently, HotSOS Mobile was updated on September 24, 2026 and KNOW Maintenance on September 18, 2026.

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