# mCA Mail vs So Mail

The clearest difference is update cadence: So Mail at weekly against mCA Mail's every 5 weeks. mCA Mail's advantage is iOS requirement (6.0 vs 16.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for mCA Mail against 5.0 for So Mail. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

mCA Mail ships an update every 5 weeks, So Mail weekly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | mCA Mail | So Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mca-mail/id915231260/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/so-mail/id6756896070/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 19 MB | 91 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Vietnam Posts and Telecommunications Group](https://appshunter.io/developer/1215567249) | [SO LABS INC](https://appshunter.io/developer/1863527604) |

## What reviewers say

### mCA Mail

[App page](https://appshunter.io/ios/app/mca-mail/id915231260)

A secure email client for iOS devices that supports multiple mail types and manual server configuration. It offers advanced security features like email signing and encryption, alongside convenient tools for managing attachments and contacts.

**Highlights:** Secure email features with token, Support for multiple mail types (Gmail, Outlook, Yahoo), Manual IMAP/SMTP server configuration, Threaded conversations for mail, Auto-complete contact names, Attachment preview and saving, Customizable email scribbles

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is mCA Mail free?

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

### Is So Mail free?

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

### Which has better reviews, mCA Mail or So Mail?

mCA Mail and So Mail are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do mCA Mail or So Mail have ads?

Neither mCA Mail nor So Mail shows ads.

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

mCA Mail ships an update every 5 weeks, and So Mail weekly. Most recently, mCA Mail was updated on November 1, 2026 and So Mail 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.*