# Mizzou Safe vs SJA 1840

The clearest difference is iOS requirement: Mizzou Safe at 13.0 against SJA 1840's 15.5. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Mizzou Safe ships an update every 6 months, SJA 1840 every 4 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mizzou Safe | SJA 1840 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mizzou-safe/id6450510653/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 31 MB | 94 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [University of Missouri](https://appshunter.io/developer/386691190) | [St. Joseph's Academy, Frontenac, Missouri](https://appshunter.io/developer/1721234354) |

## What reviewers say

### Mizzou Safe

[App page](https://appshunter.io/ios/app/mizzou-safe/id6450510653)

This app provides students, faculty, and staff with enhanced safety on campus. It delivers critical safety alerts and offers immediate access to campus security resources, including emergency contacts and a friend tracking feature.

**Highlights:** Emergency contact access, Real-time location sharing with friends, Direct reporting of safety concerns, Offline access to safety plans, Centralized campus resource directory, Instant safety notifications

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

**In-app purchases:** none


### SJA 1840

[App page](https://appshunter.io/ios/app/sja-1840/id6474271688)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mizzou Safe free?

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

### Is SJA 1840 free?

SJA 1840 is free to download, with no in-app purchases.

### Do Mizzou Safe or SJA 1840 have ads?

Neither Mizzou Safe nor SJA 1840 shows ads.

### Which is updated more often, Mizzou Safe or SJA 1840?

Mizzou Safe ships an update every 6 months, and SJA 1840 every 4 months. Most recently, Mizzou Safe was updated on October 30, 2026 and SJA 1840 on October 24, 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.*