# ISEC7 MAIL vs So Mail

The clearest difference is review sentiment: So Mail at 100% against ISEC7 MAIL's 0%. So Mail also leads on in-app purchases (none vs 1) and update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ISEC7 MAIL sells 1 in-app purchase, starting at $32.99 per year. So Mail asks for nothing beyond the download.

ISEC7 MAIL ships an update monthly, So Mail weekly. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ISEC7 MAIL | So Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/so-mail/id6756896070/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | **Free** |
| Size | 74 MB | 91 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ISEC7 Group](https://appshunter.io/developer/466418066) | [SO LABS INC](https://appshunter.io/developer/1863527604) |

## What reviewers say

### ISEC7 MAIL

[App page](https://appshunter.io/ios/app/isec7-mail/id1045017598)

Securely access and manage Microsoft Exchange and Office 365 email, contacts, and calendars from your mobile device. Offers features like mailbox delegation, public folder integration, and S/MIME encryption for sensitive information.

**Highlights:** Secure access to Exchange/Office 365, Contact, calendar, task, and note management, Mailbox delegation, Public folder integration, Certificate-based authentication, S/MIME encrypted and signed emails

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $32.99 | per year |


### 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 ISEC7 MAIL free?

ISEC7 MAIL is free to download, with in-app purchases available.

### Is So Mail free?

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

### Do ISEC7 MAIL or So Mail have ads?

Neither ISEC7 MAIL nor So Mail shows ads.

### Which is updated more often, ISEC7 MAIL or So Mail?

ISEC7 MAIL ships an update monthly, and So Mail weekly. Most recently, ISEC7 MAIL was updated on October 5, 2026 and So Mail on October 8, 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.*