# AEC Events vs Catapult EMS

The clearest difference is update cadence: Catapult EMS at every 3 months against AEC Events's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

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

AEC Events ships an update every 19 months, Catapult EMS every 3 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | AEC Events | 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 | — | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 17 MB | 35 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ATL Software](https://appshunter.io/developer/1188837256) | [Catapult K12](https://appshunter.io/developer/1449934270) |

## What reviewers say

### AEC Events

[App page](https://appshunter.io/ios/app/aec-events/id1345413380)

**Features:** macOS Compatibility, Vision Pro support

**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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AEC Events free?

AEC Events 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 AEC Events or Catapult EMS have ads?

Neither AEC Events nor Catapult EMS shows ads.

### Which is updated more often, AEC Events or Catapult EMS?

AEC Events ships an update every 19 months, and Catapult EMS every 3 months. Most recently, AEC Events was updated on October 6, 2026 and Catapult EMS on October 15, 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.*