# CypherGuard PDF vs ESFMS

The clearest difference is update cadence: ESFMS at every 2 months against CypherGuard PDF's every 5 months. ESFMS also leads on iOS requirement (10.0 vs 14.0). 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.

CypherGuard PDF ships an update every 5 months, ESFMS every 2 months. The most recent releases landed on June 7, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | CypherGuard PDF | ESFMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/cypherguard-pdf/id781435650/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 29 MB | 58 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CypherTec Inc.](https://appshunter.io/developer/507907491) | [Han Wei Loi](https://appshunter.io/developer/1234083420) |

## What reviewers say

### CypherGuard PDF

[App page](https://appshunter.io/ios/app/cypherguard-pdf/id781435650)

View and access protected PDF documents using advanced cryptographic technology. This application allows you to open regular PDFs and securely view encrypted files after authentication.

**Highlights:** View protected PDF documents, Open encrypted PDF files, Authentication for secure access, Supports regular PDF documents, Content protection features

**Features:** Vision Pro support

**In-app purchases:** none


### ESFMS

[App page](https://appshunter.io/ios/app/esfms/id6745532946)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CypherGuard PDF free?

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

### Is ESFMS free?

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

### Do CypherGuard PDF or ESFMS have ads?

Neither CypherGuard PDF nor ESFMS shows ads.

### Which is updated more often, CypherGuard PDF or ESFMS?

CypherGuard PDF ships an update every 5 months, and ESFMS every 2 months. Most recently, CypherGuard PDF was updated on June 7, 2026 and ESFMS on September 13, 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.*