# AY SelfProtect vs F.CODE Enrollment Letter

AY SelfProtect and F.CODE Enrollment Letter are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | AY SelfProtect | F.CODE Enrollment Letter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 10 MB | 17 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [anozrway](https://appshunter.io/developer/1785222077) | [IDEMIA Group](https://appshunter.io/developer/450160160) |

## What reviewers say

### AY SelfProtect

[App page](https://appshunter.io/ios/app/ay-selfprotect/id6739428629)

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

**In-app purchases:** none


### F.CODE Enrollment Letter

[App page](https://appshunter.io/ios/app/fcode-enrollment-letter/id6743213025)

**In-app purchases:** none


## Frequently asked questions

### Is AY SelfProtect free?

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

### Is F.CODE Enrollment Letter free?

F.CODE Enrollment Letter is free to download, with no in-app purchases.

### Do AY SelfProtect or F.CODE Enrollment Letter have ads?

Neither AY SelfProtect nor F.CODE Enrollment Letter shows ads.

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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.*