# Krypton vs Shannon Secure

The clearest difference is price: Shannon Secure at Free against Krypton's $2.99. Krypton's advantage is in-app purchases (none vs 1) and device support. On iOS requirement there is nothing between them.

Shannon Secure is free to download; Krypton costs $2.99 up front. Shannon Secure sells 1 in-app purchase, starting at $14.99 per year. Krypton asks for nothing beyond the download.

## The numbers

| Metric | Krypton | Shannon Secure |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/krypton/id1529946598/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 10 months | — |
| Monetization | Paid | — |
| Size | 110 MB | 69 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | — |
| Age rating | 4+ | 4+ |
| Developer | [Steve Lidie](https://appshunter.io/developer/1869780159) | [Mario Matejovic](https://appshunter.io/developer/1700879948) |

## What reviewers say

### Krypton

[App page](https://appshunter.io/ios/app/krypton/id1529946598)

Securely encrypt and protect your personal documents and folders with strong encryption. This app acts like a digital vault, keeping your sensitive files safe from unauthorized access on your devices and cloud storage.

**Highlights:** Strong encryption for documents and folders, Acts as a secure digital vault, Supports various file types (pictures, movies, PDFs, etc.), Cloud synchronization with iCloud Drive and Dropbox, Available on iOS and macOS

**Features:** Vision Pro support

**In-app purchases:** none


### Shannon Secure

[App page](https://appshunter.io/ios/app/shannon-secure/id6457266184)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Year Full Access | $14.99 | per year |


## Frequently asked questions

### Is Krypton free?

Krypton costs $2.99, with no in-app purchases.

### Is Shannon Secure free?

Shannon Secure is free to download, with in-app purchases available.

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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.*