# Share911 Mobile vs Catapult EMS

The clearest difference is review sentiment: Share911 Mobile at 100% against Catapult EMS's 30%. Share911 Mobile also leads on iOS requirement (11.0 vs 15.1). Catapult EMS's advantage is update cadence (every 3 months vs every 29 months). 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.

Share911 Mobile ships an update every 29 months, Catapult EMS every 3 months. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Share911 Mobile | Catapult EMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.6 (12 ratings)](https://appshunter.io/ios/app/catapult-ems/id1449934271/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | **100.0% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 119 MB | 35 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OnScene Technologies, Inc.](https://appshunter.io/developer/1331551402) | [Diverse Network Associates Incorporated](https://appshunter.io/developer/1449934270) |

## What reviewers say

### Share911 Mobile

[App page](https://appshunter.io/ios/app/share911-mobile/id1331551403)

This app facilitates communication and coordination during emergencies. It allows users to inform, alert, and account for individuals, identify areas needing assistance, and confirm safety status. It also aids in locating missing persons and reuniting families.

**Highlights:** Emergency alerts and notifications, Employee accountability, Location tracking for safety, Missing person location, Family reunification tools, Incident reporting

**Features:** macOS Compatibility

**In-app purchases:** none


### Catapult EMS

[App page](https://appshunter.io/ios/app/catapult-ems/id1449934271)

Stay informed during emergencies with audible alerts that bypass silent mode. This app provides quick access to emergency procedures, allows for secure login via biometrics, and integrates with a comprehensive emergency management system for organizations.

**Highlights:** Audible emergency alerts on silent mode, Quick home screen access, Touch/Face ID login, Location and status gathering, One-on-one emergency conversations, Alert districts, police, and fire, View emergency procedures, Anonymous threat reporting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Share911 Mobile free?

Share911 Mobile is free to download, with no in-app purchases.

### Is Catapult EMS free?

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

### Do Share911 Mobile or Catapult EMS have ads?

Neither Share911 Mobile nor Catapult EMS shows ads.

### Which is updated more often, Share911 Mobile or Catapult EMS?

Share911 Mobile ships an update every 29 months, and Catapult EMS every 3 months. Most recently, Share911 Mobile was updated on June 1, 2026 and Catapult EMS on September 10, 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.*