# So Mail vs SipherMail

The clearest difference is in-app purchases: So Mail at none against SipherMail's 6. So Mail also leads on device support (4 vs 2) and iOS requirement (13.0 vs 16.4). On price, update cadence and ads there is nothing between them.

Both are free to download. SipherMail sells 6 in-app purchases, starting at $9.99 per month. So Mail asks for nothing beyond the download.

So Mail ships an update weekly, SipherMail every 5 days. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | So Mail | SipherMail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/so-mail/id6756896070/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free | — |
| Size | 97 MB | 57 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SO LABS INC.](https://appshunter.io/developer/1863527604) | [THE TRISUN L.L.C-FZ](https://appshunter.io/developer/1879305779) |

## What reviewers say

### So Mail

[App page](https://appshunter.io/ios/app/so-mail/id6756896070)

This app provides AI-powered email security to detect and block phishing, scams, and malicious links. It also unifies all your email accounts, offers task management, and includes productivity features like scheduled sending and email templates.

**Highlights:** AI-powered phishing and scam detection, Real-time malicious link scanning, Unified inbox for multiple email accounts, Email to task conversion, Scheduled email sending, Email templates

**Features:** Vision Pro support

**In-app purchases:** none


### SipherMail

[App page](https://appshunter.io/ios/app/siphermail/id6759529180)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SipherMail Pro | $9.99 | per month |
| SipherMail Pro Yearly | $99.99 | per year |
| AI Credits – 100 | $5.99 | one-time |
| AI Credits – 500 | $19.99 | one-time |
| AI Credits – 2000 | $59.99 | one-time |
| AI Credits – 10000 | $249.99 | one-time |


## Frequently asked questions

### Is So Mail free?

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

### Is SipherMail free?

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

### Do So Mail or SipherMail have ads?

Neither So Mail nor SipherMail shows ads.

### Which is updated more often, So Mail or SipherMail?

So Mail ships an update weekly, and SipherMail every 5 days. Most recently, So Mail was updated on September 21, 2026 and SipherMail on September 19, 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.*