# ISEC7 MAIL for Citrix vs ZappID

The clearest difference is in-app purchases: ZappID at none against ISEC7 MAIL for Citrix's 1. ZappID also leads on update cadence (every 4 days vs monthly) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

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

ISEC7 MAIL for Citrix ships an update monthly, ZappID every 4 days. Both last shipped on September 15, 2026.

## The numbers

| Metric | ISEC7 MAIL for Citrix | ZappID |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 84 MB | 11 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ISEC7 GmbH](https://appshunter.io/developer/466418066) | [Fredrik Petersson](https://appshunter.io/developer/555276018) |

## What reviewers say

### ISEC7 MAIL for Citrix

[App page](https://appshunter.io/ios/app/isec7-mail-for-citrix/id1078891024)

**Features:** Apple Wallet

**In-app purchases (1)**

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


### ZappID

[App page](https://appshunter.io/ios/app/zappid/id1455029820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ISEC7 MAIL for Citrix free?

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

### Is ZappID free?

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

### Do ISEC7 MAIL for Citrix or ZappID have ads?

Neither ISEC7 MAIL for Citrix nor ZappID shows ads.

### Which is updated more often, ISEC7 MAIL for Citrix or ZappID?

ISEC7 MAIL for Citrix ships an update monthly, and ZappID every 4 days. Most recently, ISEC7 MAIL for Citrix was updated on September 15, 2026 and ZappID on September 15, 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.*