# SecureMyEmail vs DataGuard by Thorium

The clearest difference is in-app purchases: DataGuard by Thorium at none against SecureMyEmail's 3. DataGuard by Thorium also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SecureMyEmail sells 3 in-app purchases, starting at $3.99 per month. DataGuard by Thorium asks for nothing beyond the download.

SecureMyEmail ships an update every 2 months, DataGuard by Thorium every 3 weeks. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | SecureMyEmail | DataGuard by Thorium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (39 ratings)](https://appshunter.io/ios/app/securemyemail/id1026199012/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 43.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 64 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [WiTopia](https://appshunter.io/developer/1026199011) | [Yehezkel Corly](https://appshunter.io/developer/1881407707) |

## What reviewers say

### SecureMyEmail

[App page](https://appshunter.io/ios/app/securemyemail/id1026199012)

Encrypt any email address with end-to-end, military-grade security. Send confidential messages and attachments that are unreadable by anyone but the recipient. Supports PGP compatibility and self-destructing messages.

**Highlights:** End-to-end email encryption, PGP compatibility, Self-destructing messages, Encrypt multiple email addresses, HIPAA and GDPR compliant, Zero-knowledge encryption

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecureMyEmail | $3.99 | per month |
| SecureMyEmail | $29.99 | per year |
| SecureMyEmail Lifetime Plan | $99.99 | one-time |


### DataGuard by Thorium

[App page](https://appshunter.io/ios/app/dataguard-by-thorium/id6759878895)

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

**In-app purchases:** none


## Frequently asked questions

### Is SecureMyEmail free?

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

### Is DataGuard by Thorium free?

DataGuard by Thorium is free to download, with no in-app purchases.

### Do SecureMyEmail or DataGuard by Thorium have ads?

Neither SecureMyEmail nor DataGuard by Thorium shows ads.

### Which is updated more often, SecureMyEmail or DataGuard by Thorium?

SecureMyEmail ships an update every 2 months, and DataGuard by Thorium every 3 weeks. Most recently, SecureMyEmail was updated on November 11, 2026 and DataGuard by Thorium on November 9, 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.*