HotSOS Mobile vs Solution Calculator
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.
Solution Calculator
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Provides calculations for solution dilution and preparation.
Screenshots
Verdict
The clearest difference is update cadence: Solution Calculator at every 6 days against HotSOS Mobile's every 4 months. HotSOS Mobile's advantage is iOS requirement (12.0 vs 16.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HotSOS Mobile ships an update every 4 months, Solution Calculator every 6 days. The most recent releases landed on September 24, 2026 and September 4, 2026 respectively.
| Parameter | HotSOS Mobile | Solution Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (58 ratings) — better | — |
| Positive reviews | 4.3% of reviews | — |
| Number of ratings | 58 — better | — |
| Update frequency | Every 4 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 7 MB | 2 MB |
| Age rating | 4+ | 17+ |
| Developer | MTech | XING WU |
In-app purchases
HotSOS Mobile
No in-app purchases
Solution Calculator
No in-app purchases
Questions
Is HotSOS Mobile free?
Is Solution Calculator free?
Do HotSOS Mobile or Solution Calculator have ads?
Which is updated more often, HotSOS Mobile or Solution Calculator?
Other comparisons
