# Catapult EMS vs CalSNA Conference

The clearest difference is update cadence: Catapult EMS at every 3 months against CalSNA Conference's every 19 months. CalSNA Conference's advantage is iOS requirement (11.0 vs 15.1). 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.

Catapult EMS ships an update every 3 months, CalSNA Conference every 19 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Catapult EMS | CalSNA Conference |
| --- | --- | --- |
| 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 3 months** | Every 19 months |
| Monetization | Free | — |
| Size | 35 MB | 14 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Catapult K12](https://appshunter.io/developer/1449934270) | [Mobile Town Guide](https://appshunter.io/developer/1076797990) |

## What reviewers say

### 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


### CalSNA Conference

[App page](https://appshunter.io/ios/app/calsna-conference/id6443533049)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Catapult EMS free?

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

### Is CalSNA Conference free?

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

### Do Catapult EMS or CalSNA Conference have ads?

Neither Catapult EMS nor CalSNA Conference shows ads.

### Which is updated more often, Catapult EMS or CalSNA Conference?

Catapult EMS ships an update every 3 months, and CalSNA Conference every 19 months. Most recently, Catapult EMS was updated on October 24, 2026 and CalSNA Conference on October 9, 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.*