# Security vs M

The clearest difference is update cadence: M at monthly against Security's every 2 months. M also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). 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.

Security ships an update every 2 months, M monthly. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Security | M |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 32 MB | 23 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Securitas Seguridad España, S.A.](https://appshunter.io/developer/1350352728) | [Movired 2000 S.L](https://appshunter.io/developer/1394037133) |

## What reviewers say

### Security

[App page](https://appshunter.io/ios/app/security-hub/id1539643293)

**In-app purchases:** none


### M

[App page](https://appshunter.io/ios/app/m-cas/id6468866478)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Security free?

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

### Is M free?

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

### Do Security or M have ads?

Neither Security nor M shows ads.

### Which is updated more often, Security or M?

Security ships an update every 2 months, and M monthly. Most recently, Security was updated on October 4, 2026 and M on October 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*