ISEC7 MAIL vs So Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISEC7 MAIL
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.
- 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
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ISEC7 MAIL enables access to Microsoft Exchange and Office 365 environments with secure Personal Information Management (PIM) data such as contacts, calendar, tasks, and notes. ISEC7 MAIL also allows for mailbox delegation capabilities and public folder integration. ISEC7 MAIL operates with modern and certificate-based authentication (CBA) and allows users to securely send, receive, and enforce encrypted and signed emails (S/MIME). As the top priorities of ISEC7 MAIL are security, classification, and authentication, it is an ideal tool for managing classified or sensitive information, organizational or group mailboxes, and supporting executive leadership and their staff. Easiliy manage inboxes from your mobile device Easily managed from a mobile device, ISEC7 MAIL enables mobile access to Microsoft Exchange accounts with the ability to delegate access for approved staff. Delegation gives authorized users read and write access to email, calendar, public folders and more. No complex technical skills are required, simply add delegates from the Outlook client. With access to a delegated account, the user can book or change calendar appointments with ISEC7 Mail's Smart Scheduler, monitor and respond to emails, and access content in the public folders–directly from any mobile device. KEY BENEFITS • Easily access and delegate access to email, calendar, contacts, public folders, and more • Ability to use functional & shared mailboxes and multiple email domains • Utilize helpful classification tool ISEC7 CLASSIFY and automation of deployment • Share your business card with a touch of a button • Improve productivity and response time with significant impact on customer satisfaction • Maintain security of sensitive information and comply with security policies • Build greater team collaboration and transparency of knowledge share ISEC7 MAIL is free to download and use with limited features. Upgrading to Premium removes the restrictions of the free version mentioned below and is available through an auto-renewing subscription. A yearly subscription is available for $32.99. Free version: • Only one master account • Only one delegate access • Only 3 default folders for the master account (inbox, contacts, calendar) • Only 3 default folders for the delegate access (inbox, contacts, calendar) • No access to public folders • No action possible, such as create/forward/delete e-mails; create/delete appointments and contacts • Only the last 10 emails are displayed • In the calendar, only the current week is available Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. Technical Requirements • Microsoft Exchange Server 2007 SP1 or higher, 2010, 2013 or 2016 • Microsoft Office 365 • Microsoft Exchange WebService must be activated and available to connect to Privacy policy available at: https://apps.isec7.com/privacy/https://apps.isec7.com/privacy/ISEC7_DataPrivacyPolicy_ISEC7_MAIL.pdf End User License Agreement available at: https://apps.isec7.com/eula/ISEC7_EULA.pdf
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 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.
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. 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.
| Parameter | ISEC7 MAIL | So Mail |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 74 MB | 91 MB |
| Age rating | 4+ | 4+ |
| Developer | ISEC7 Group | SO LABS INC |
Customer experience
ISEC7 MAIL
So Mail
In-app purchases
ISEC7 MAIL
- Premium Subscription$32.991 Year
So Mail
No in-app purchases









