# ASIM Checklist vs OSF Events+

The clearest difference is update cadence: ASIM Checklist at monthly against OSF Events+'s every 4 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.

ASIM Checklist ships an update monthly, OSF Events+ every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ASIM Checklist | OSF Events+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/asim-checklist/id1356590327/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | — |
| Size | 48 MB | 62 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [C3 Pathways, Inc](https://appshunter.io/developer/1356590326) | [OSF Healthcare System](https://appshunter.io/developer/1053621635) |

## What reviewers say

### ASIM Checklist

[App page](https://appshunter.io/ios/app/asim-checklist/id1356590327)

This app provides a structured checklist for law enforcement, fire, and EMS responders during active shooter incidents. It sequences essential tasks logically from initial arrival through supervisory roles, aiding in incident management for various community needs.

**Highlights:** Sequenced task management, Role-based responsibilities, Logical task ordering, Electronic checklist, Offline access to checklist, Organizational chart view

**Features:** macOS Compatibility

**In-app purchases:** none


### OSF Events+

[App page](https://appshunter.io/ios/app/osf-events-plus/id1532771083)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASIM Checklist free?

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

### Is OSF Events+ free?

OSF Events+ is free to download, with no in-app purchases.

### Do ASIM Checklist or OSF Events+ have ads?

Neither ASIM Checklist nor OSF Events+ shows ads.

### Which is updated more often, ASIM Checklist or OSF Events+?

ASIM Checklist ships an update monthly, and OSF Events+ every 4 months. Most recently, ASIM Checklist was updated on November 2, 2026 and OSF Events+ 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.*