# 451F vs EdR Secure EU

The clearest difference is iOS requirement: 451F at 11.0 against EdR Secure EU's 15.0. 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.

451F ships an update every 11 months, EdR Secure EU every 9 months. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 451F | EdR Secure EU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 9 months** |
| Size | 26 MB | 7 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACD Groupe](https://appshunter.io/developer/1033556694) | [Edmond de Rothschild (Suisse) S.A.](https://appshunter.io/developer/1491348347) |

## What reviewers say

### 451F

[App page](https://appshunter.io/ios/app/451f/id1417217337)

**In-app purchases:** none


### EdR Secure EU

[App page](https://appshunter.io/ios/app/edr-secure-eu/id1491899291)

**In-app purchases:** none


## Frequently asked questions

### Is 451F free?

451F is free to download, with no in-app purchases.

### Is EdR Secure EU free?

EdR Secure EU is free to download, with no in-app purchases.

### Do 451F or EdR Secure EU have ads?

Neither 451F nor EdR Secure EU shows ads.

### Which is updated more often, 451F or EdR Secure EU?

451F ships an update every 11 months, and EdR Secure EU every 9 months. Most recently, 451F was updated on September 17, 2026 and EdR Secure EU on September 8, 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.*