# ISEC7 MAIL vs Stamp Mail

The clearest difference is update cadence: Stamp Mail at weekly against ISEC7 MAIL's monthly. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ISEC7 MAIL sells 1 in-app purchase, starting at $32.99 per year and Stamp Mail sells 4 in-app purchases, starting at $20.00 per month. Whichever you choose, the download price is not the number that matters.

ISEC7 MAIL ships an update monthly, Stamp Mail weekly. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ISEC7 MAIL | Stamp Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stamp-mail/id6748666316/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | Freemium |
| Size | 74 MB | 76 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ISEC7 Group](https://appshunter.io/developer/466418066) | [Stamp AI](https://appshunter.io/developer/1826931069) |

## 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 |


### Stamp Mail

[App page](https://appshunter.io/ios/app/stamp-mail/id6748666316)

This AI-powered email client automates tasks like drafting replies, prioritizing messages, and extracting to-dos. It offers an agent to retrieve information and reorganize your inbox using plain English commands. A special mode allows quick review and approval of automated changes.

**Highlights:** Automated email drafting, Email prioritization, To-do extraction, Email summarization, Information retrieval via AI agent, Inbox reorganization, Approve/reject agent changes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stamp Individual (Monthly) | $20.00 | per month |
| Stamp Business (Monthly) | $50.00 | per month |
| Stamp Individual (Annual) | $191.99 | per year |
| Stamp Business (Annual) | $479.99 | per year |


## Frequently asked questions

### Is ISEC7 MAIL free?

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

### Is Stamp Mail free?

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

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

Neither ISEC7 MAIL nor Stamp Mail shows ads.

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

ISEC7 MAIL ships an update monthly, and Stamp Mail weekly. Most recently, ISEC7 MAIL was updated on October 11, 2026 and Stamp Mail on September 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.*