# SOS.Mobile vs HSEF

The clearest difference is rating: HSEF at 5.0 against SOS.Mobile's 3.0. SOS.Mobile's advantage is update cadence (every 6 weeks vs every 37 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

HSEF holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

SOS.Mobile ships an update every 6 weeks, HSEF every 37 months. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SOS.Mobile | HSEF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/sosmobile/id1100252092/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hsef/id1210480817/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 37 months |
| Monetization | Free | Free |
| Size | 267 MB | 4 MB |
| Requires iOS | 15.0 | **14.6** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Swissphone Wireless AG](https://appshunter.io/developer/995920715) | [Unions-America.com, Inc.](https://appshunter.io/developer/946249856) |

## 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


### HSEF

[App page](https://appshunter.io/ios/app/hsef/id1210480817)

This official mobile app provides members of the Hillsborough School Employee Federation with access to important union information, resources, and communication channels. Members can view exclusive content like meeting minutes, contracts, and a member directory, while all users can access news feeds and event updates.

**Highlights:** Member-exclusive content, News and updates, Event calendar, Documents and resources, Contact information, Push notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SOS.Mobile free?

SOS.Mobile is free to download, with no in-app purchases.

### Is HSEF free?

HSEF is free to download, with no in-app purchases.

### Which has better reviews, SOS.Mobile or HSEF?

HSEF is rated higher. SOS.Mobile averages 3.0 out of 5 from 3 ratings, while HSEF averages 5.0 from 1 ratings.

### Do SOS.Mobile or HSEF have ads?

Neither SOS.Mobile nor HSEF shows ads.

### Which is updated more often, SOS.Mobile or HSEF?

SOS.Mobile ships an update every 6 weeks, and HSEF every 37 months. Most recently, SOS.Mobile was updated on October 21, 2026 and HSEF on October 13, 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.*