Comparison

HotSOS Mobile vs MaintainX

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

MaintainX

This app provides a comprehensive solution for maintenance management and work order tracking, designed for field technicians and managers. It simplifies task assignment, asset information access via QR codes, and safety inspections, while also offering inventory management capabilities.

Highlights
  • Work order creation, assignment, and tracking
  • Mobile work order completion with photos and voice notes
  • Offline mode for technicians
  • QR code asset scanning for instant information
  • Streamlined safety inspections
  • Inventory and asset management
  • ERP system integration
Features
Read full description

Intelligent maintenance and asset management that increases equipment uptime, reduces maintenance and parts costs, and improves frontline productivity. Used by 14,000+ customers and downloaded over 1 million times, MaintainX is built for the people who keep physical operations running: maintenance managers, technicians, and operators across asset-intensive industries. What you get with MaintainX: - One platform for maintenance, repair, and operations. Manage work orders, assets, parts, and purchase orders in one place, with real-time insights that flag problems before they cause or extend downtime. - A mobile app for the field. Schedule and track work from anywhere. Scan a QR code to get an asset’s maintenance history, open work orders, and safety protocols. Let technicians take photos, record voice notes, and keep working even offline. - Streamlined checklists and safety inspections. Every inspection is time-stamped and logged automatically. Step-by-step procedures make sure work is completed the same way, every time. - Spare parts management and mobile purchase orders. View parts inventory across every site, get low stock alerts, and send purchase orders out with just a few taps. - Less admin, more wrench time. MaintainX AI turns your manuals, past work orders, and photos into searchable data. Technicians get real-time troubleshooting help, procedure guidance, and voice-based reporting on work orders. Companies using MaintainX as their CMMS have found: 32% reduction in unplanned downtime 49% improvement in on-time inspections 34% reduction in parts inventory costs Paper forms, excel sheets, and clunky software cost you time and money that you don't have. Try MaintainX for free today.

Screenshots

HotSOS Mobile3 screens
MaintainX4 screens

Verdict

The call

The clearest difference is review sentiment: MaintainX at 92% against HotSOS Mobile's 4%. MaintainX also leads on rating (4.9 vs 2.6) and update cadence (weekly vs every 4 months). HotSOS Mobile's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 16.4). On price, ads, in-app purchases and device support 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.

ReceptionRating · Positive reviews · Number of ratings

MaintainX holds the better App Store score, 4.9 against 2.6. That said, the two scores are not equally well evidenced: MaintainX has 5.8K ratings behind it against 58, so its average is the more settled of the two. Written reviews point the same way: 4% of HotSOS Mobile's written reviews are positive against 92% of MaintainX's.

UpkeepUpdate frequency

HotSOS Mobile ships an update every 4 months, MaintainX weekly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

Scorecard6 real differences · 4 level
HotSOS Mobile versus MaintainX: the parameters behind the verdict, then further details
ParameterHotSOS MobileMaintainX
PriceFreeFree
Rating2.6 (58 ratings)4.9 (5.8K ratings) — better
Positive reviews4.2% of reviews92.1% of reviews — better
Number of ratings585.8K — better
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.4
Further details — not scored
Size7 MB139 MB
Age rating4+4+
DeveloperMTechMAINTAINX INC.

Customer experience

HotSOS Mobile

All ratings58 ratings
Positive37.9%
Neutral6.9%
Negative55.2%
Written reviews24 reviews
Positive4.2%
Neutral16.7%
Negative79.2%

MaintainX

All ratings5,803 ratings
Positive98.0%
Neutral0.8%
Negative1.2%
Written reviews266 reviews
Positive92.1%
Neutral0.8%
Negative7.1%

Bugs and requests

HotSOS Mobile

Not enough reviews yet to summarise bugs or requests.

MaintainX

Reported bugs

4 issues
  • Crashes or freezes on certain devices
  • Inconsistent performance across mobile and desktop
  • Issues with photo/attachment uploads and syncing
  • Glitches in work order status updates

Requested features

6 requests
  • Dark mode option
  • Improved barcode scanning and inventory management
  • Integration with accounting/ERP systems
  • Enhanced reporting and analytics capabilities
  • Customizable work order templates
Show 1 more
  • Ability to share work orders with team members

In-app purchases

None

HotSOS Mobile

No in-app purchases

None

MaintainX

No in-app purchases

Questions

Is HotSOS Mobile free?
HotSOS Mobile is free to download, with no in-app purchases.
Is MaintainX free?
MaintainX is free to download, with no in-app purchases.
Which has better reviews, HotSOS Mobile or MaintainX?
MaintainX is rated higher. HotSOS Mobile averages 2.6 out of 5 from 58 ratings, while MaintainX averages 4.9 from 5.8K ratings.
Do HotSOS Mobile or MaintainX have ads?
Neither HotSOS Mobile nor MaintainX shows ads.
Which is updated more often, HotSOS Mobile or MaintainX?
HotSOS Mobile ships an update every 4 months, and MaintainX weekly. Most recently, HotSOS Mobile was updated on October 16, 2026 and MaintainX on October 19, 2026.

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