# ISEC7 MAIL vs FairOrg LeadApp

The clearest difference is in-app purchases: FairOrg LeadApp at none against ISEC7 MAIL's 1. FairOrg LeadApp also leads on iOS requirement (8.0 vs 16.0). ISEC7 MAIL's advantage is update cadence (monthly vs every 28 months). On price, ads and device support there is nothing between them.

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

ISEC7 MAIL ships an update monthly, FairOrg LeadApp every 28 months. The most recent releases landed on September 15, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | ISEC7 MAIL | FairOrg LeadApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 28 months |
| Monetization | Freemium | — |
| Size | 74 MB | 3 MB |
| Requires iOS | 16.0 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ISEC7 Group](https://appshunter.io/developer/466418066) | [fairtec Kommunikationstechnik GmbH](https://appshunter.io/developer/1460125759) |

## 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 |


### FairOrg LeadApp

[App page](https://appshunter.io/ios/app/fairorg-leadapp/id1460125760)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ISEC7 MAIL free?

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

### Is FairOrg LeadApp free?

FairOrg LeadApp is free to download, with no in-app purchases.

### Do ISEC7 MAIL or FairOrg LeadApp have ads?

Neither ISEC7 MAIL nor FairOrg LeadApp shows ads.

### Which is updated more often, ISEC7 MAIL or FairOrg LeadApp?

ISEC7 MAIL ships an update monthly, and FairOrg LeadApp every 28 months. Most recently, ISEC7 MAIL was updated on September 15, 2026 and FairOrg LeadApp on September 7, 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.*