# CSM Safe vs Charles County PS (MD)

The clearest difference is update cadence: Charles County PS (MD) at monthly against CSM Safe's every 63 months. CSM Safe's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, 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.

CSM Safe ships an update every 63 months, Charles County PS (MD) monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CSM Safe | Charles County PS (MD) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 63 months | **Monthly** |
| Size | 28 MB | 146 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [College of Southern Maryland](https://appshunter.io/developer/1382889204) | [Charles County Public Schools](https://appshunter.io/developer/1623660988) |

## What reviewers say

### CSM Safe

[App page](https://appshunter.io/ios/app/csm-safe/id1467994647)

**Features:** macOS Compatibility

**In-app purchases:** none


### Charles County PS (MD)

[App page](https://appshunter.io/ios/app/charles-county-ps-md/id6762019012)

**In-app purchases:** none


## Frequently asked questions

### Is CSM Safe free?

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

### Is Charles County PS (MD) free?

Charles County PS (MD) is free to download, with no in-app purchases.

### Do CSM Safe or Charles County PS (MD) have ads?

Neither CSM Safe nor Charles County PS (MD) shows ads.

### Which is updated more often, CSM Safe or Charles County PS (MD)?

CSM Safe ships an update every 63 months, and Charles County PS (MD) monthly. Most recently, CSM Safe was updated on November 3, 2026 and Charles County PS (MD) on October 31, 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.*