# Ciphermail PDF Authenticator vs HawkShield Email Protection

The clearest difference is update cadence: Ciphermail PDF Authenticator at every 2 weeks against HawkShield Email Protection's every 6 weeks. HawkShield Email Protection's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Ciphermail PDF Authenticator ships an update every 2 weeks, HawkShield Email Protection every 6 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Ciphermail PDF Authenticator | HawkShield Email Protection |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 20 MB | 37 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ciphermail B.V.](https://appshunter.io/developer/1673495516) | [EYJA](https://appshunter.io/developer/1848282374) |

## What reviewers say

### Ciphermail PDF Authenticator

[App page](https://appshunter.io/ios/app/ciphermail-pdf-authenticator/id1673495514)

**Features:** macOS Compatibility

**In-app purchases:** none


### HawkShield Email Protection

[App page](https://appshunter.io/ios/app/hawkshield-email-protection/id6742448693)

**In-app purchases:** none


## Frequently asked questions

### Is Ciphermail PDF Authenticator free?

Ciphermail PDF Authenticator is free to download, with no in-app purchases.

### Is HawkShield Email Protection free?

HawkShield Email Protection is free to download, with no in-app purchases.

### Do Ciphermail PDF Authenticator or HawkShield Email Protection have ads?

Neither Ciphermail PDF Authenticator nor HawkShield Email Protection shows ads.

### Which is updated more often, Ciphermail PDF Authenticator or HawkShield Email Protection?

Ciphermail PDF Authenticator ships an update every 2 weeks, and HawkShield Email Protection every 6 weeks. Most recently, Ciphermail PDF Authenticator was updated on October 27, 2026 and HawkShield Email Protection on October 30, 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.*