mCA Mail vs So Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
mCA Mail
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.
- 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
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mCA Mail is a secure email client app for your iPhone or iPad. The newly redesigned mCA Mail with multiple mail type support and manual config your account with any IMAP/SMTP server. With the app, you can: ● Using secure mail features by token (sign/verify email, encrypt/decrypt email and protect account by token password) ● Switch between up to multi accounts with multi mail type include: Gmail, Outlook Mail, Yahoo! Mail and manual configuration. ● Read and Delete your mail with threaded conversations ● Auto-complete contact names as you type from your contacts or your phone ● Preview, saving and browse attachment files in the iTunes sharing folder ● Customize emails with custom scribbles
So Mail
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.
- 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
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Ṣọ Mail: Secure Email & Tasks Your inbox is under attack. Ṣọ Mail is your shield. Every day, hackers send billions of phishing emails. One wrong click can lead to fraud, identity theft, or financial loss. Ṣọ Mail uses AI-powered security to detect threats before you fall for them. Security That Works • Real-time phishing and scam detection • Business Email Compromise (BEC) protection against invoice and wire fraud • Malicious link scanning before you click • QR code scanner that verifies safety before opening links • Dark web breach monitoring with alerts • Sender verification using SPF, DKIM, and DMARC Unified Inbox Connect all your email accounts in one place: Gmail, Outlook/Hotmail, Yahoo Mail, iCloud, and any IMAP email. View everything in a single inbox, color-coded by account. Reply from any address and search across all accounts. Productivity Built In • Convert emails into tasks with one tap • Calendar with Google Calendar and Outlook sync, or use the built-in calendar • Email templates for frequently sent replies, proposals, and follow-ups • Send later and schedule emails at the right time • Snooze emails and bring them back when you’re ready • Labels and smart folders to stay organized Built for Freelancers, Small Businesses, and Nonprofits You may not have an IT team, but you still handle sensitive emails, invoices, and client data. Ṣọ Mail provides enterprise-grade protection without enterprise complexity. Privacy First • Secure credential storage • No data selling • Minimal permissions • Your emails remain private and under your control Download Ṣọ Mail and take back control of your inbox.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | mCA Mail | So Mail |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 6.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 19 MB | 91 MB |
| Age rating | 4+ | 4+ |
| Developer | Vietnam Posts and Telecommunications Group | SO LABS INC |
Customer experience
mCA Mail
So Mail
In-app purchases
mCA Mail
No in-app purchases
So Mail
No in-app purchases









