# SOS.Mobile vs CALIMA

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.

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

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.

## The numbers

| Metric | SOS.Mobile | CALIMA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/sosmobile/id1100252092/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 267 MB | 46 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Swissphone Wireless AG](https://appshunter.io/developer/995920715) | [CALIMA Safety GmbH](https://appshunter.io/developer/1572068667) |

## What reviewers say

### SOS.Mobile

[App page](https://appshunter.io/ios/app/sosmobile/id1100252092)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CALIMA

[App page](https://appshunter.io/ios/app/calima-protect-lone-workers/id1572068665)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

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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.*