Comparison

SOS.Mobile vs CALIMA

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

Head to head
About

SOS.Mobile

This app provides a certified alerting solution for companies to protect lone workers. It enables employees to quickly send an emergency call with location details, which is processed according to legal requirements and an individual alarm plan. The system ensures rapid assistance through automatic forwarding and escalation if calls are not answered.

Highlights
  • Automatic emergency call functions (mandown, button, disconnection)
  • Decentralized alarm processing with custom plans
  • Automatic forwarding with location data (indoor/outdoor)
  • Escalation of unanswered calls
  • Web-based SOS Portal for management and documentation
  • Easy installation and use
Features
Read full description

This app is part of the certified alerting solution SOS for companies to protect lone workers. It is linked to an online SOS account; which organizations use to process alarms that arise in accordance with legal requirements. In the event of an emergency, employees can use it to send a call for help automatically and quickly. The functions of the SOS emergency call app includes: - Fast and safe alerting in case of emergency by means of will-dependent and independent emergency call functions (mandown, emergency call button and disconnection). - Decentralized receipt of alarms and processing of alarms according to an individual alarm plan, including automatic documentation. - Automatic forwarding of the emergency call with details of the person concerned and their position (outdoor and indoor) to any terminal for rapid assistance. - If the emergency call is not answered, it may be escalated until action is taken by appropriate support personnel. - Request an SOS demo account. The modular and scalable emergency call solution is designed as an all-round package for professional protection of lone workers in any field of application: - Easy to install - Easy to use - Simple in function The reliable and web-based solution for crisis situations: If people get into a critical situation, help must arrive reliably and quickly. To ensure this, Swissphone offers comprehensive emergency call solutions when it comes to various personal alarms. The basis for this is the web-based comprehensive software solution SOS Portal. It controls the reporting, localization, escalation and complete documentation of incidents as well as participant management. The Swissphone TRIO or app solutions for smartphones are available as emergency call devices. Both allow indoor and outdoor localization in the event of an alarm. Flexible and efficient handling: With a solution tailored to your processes, the Swissphone emergency call solution offers you decisive advantages in handling. Administrators are able to manage device fleets themselves and store company-specific alarm plans. Alarms can either be forwarded and escalated automatically or processed manually. If the defined rescue center receives an alarm, it is displayed whether it is a manual alarm trigger, a fall-detection or unconsciousness - including localization and corresponding alarm plan. Status information is continuously updated and displayed in the event of an alert, and alarms, statuses and interactions are logged for reconstruction purposes. Solutions for the entire alarm chain: Alert reliably and efficiently in any situation, even in the event of a power failure. Our multi-layered solutions cover the entire alerting chain - from initiation, processing, transmission of emergency calls, mobilization and coordination, to escalation and documentation. For more details, please contact info@swissphone.com

About

CALIMA

This app turns your smartphone into a personal distress signal. It allows users to trigger an alarm manually or automatically in case of falls, immobility, or timed checks. Upon activation, pre-defined emergency contacts receive alerts with location and message details.

Highlights
  • Manual and automatic alarm triggers
  • Emergency contact alerts via call, SMS, or email
  • Web-based dashboard for management
  • GDPR compliant data storage
  • Meets DGUV requirements
  • Uses existing business smartphones
Features
Read full description

The CALIMA App transforms the standard smartphone into a personal distress signal (PDS) device with which employees can call for immediate help in case of an emergency. ► HOW IS AN ALARM TRIGGERED? » Manual trigger via app, widget and hardware button » Automatic trigger in the event of a fall and immobility » Automatic trigger through an alarm timer (dead man's switch) ► WHAT HAPPENS IF AN ALARM IS TRIGGERED? As soon as an alarm has been triggered, the emergency contacts you have defined will receive a call and a text message or an email with the emergency message and a link. All relevant emergency information can be viewed using the web browser. ► WHAT DO I HAVE TO PAY ATTENTION TO DURING USE? To provide best protection, the following requirements must be met: » App must be open in the background » Functioning smartphone with sufficiently charged battery » Connection to the Internet (via mobile or WLAN) ► WHY CALIMA? » Perfect protection in case of danger (e.g. medical emergency, fall or threat) » GDPR (DSGVO) compliant, as the data is stored in Germany » Meets DGUV requirements, as developed according to rule 112-139 » Recommended by works councils, as no monitoring is possible » High user acceptance, as employees do not have to carry extra devices » No investment costs, as business smartphones are used » Flexible emergency chain with in-house emergency contacts or emergency control center ► HOW IS CALIMA IMPLEMENTED? Employees and emergency contacts can be administered and managed independently via a web-based dashboard. The app is downloaded by employees via the official app stores and installed on their smartphones. For a free trial, email us at info@calima.io.

Screenshots

SOS.Mobile4 screens
CALIMA4 screens

Verdict

The call

The clearest difference is iOS requirement: SOS.Mobile at 15.0 against CALIMA's 17.6. On price, review sentiment, update cadence and ads 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

SOS.Mobile ships an update every 6 weeks, CALIMA every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard1 real difference · 9 level
SOS.Mobile versus CALIMA: the parameters behind the verdict, then further details
ParameterSOS.MobileCALIMA
PriceFreeFree
Rating3.0 (3 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings3 — better—
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.0 — better17.6
Further details — not scored
Size267 MB46 MB
Age rating4+12+
DeveloperSwissphone Wireless AGCALIMA Safety GmbH

Customer experience

SOS.Mobile

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

CALIMA

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SOS.Mobile

No in-app purchases

None

CALIMA

No in-app purchases

Questions

Is SOS.Mobile free?
SOS.Mobile is free to download, with no in-app purchases.
Is CALIMA free?
CALIMA is free to download, with no in-app purchases.
Do SOS.Mobile or CALIMA have ads?
Neither SOS.Mobile nor CALIMA shows ads.
Which is updated more often, SOS.Mobile or CALIMA?
SOS.Mobile ships an update every 6 weeks, and CALIMA every 2 months. Most recently, SOS.Mobile was updated on November 2, 2026 and CALIMA on November 3, 2026.

Other comparisons