# ISEC7 MAIL for Citrix vs ShiftCal

The clearest difference is ads: ISEC7 MAIL for Citrix at none against ShiftCal's shown. ShiftCal's advantage is update cadence (every 2 days vs monthly) and iOS requirement (13.0 vs 15.0). On price, in-app purchases 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 and ShiftCal sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ISEC7 MAIL for Citrix ships an update monthly, ShiftCal every 2 days. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ISEC7 MAIL for Citrix | ShiftCal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Size | 84 MB | 32 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ISEC7 Group](https://appshunter.io/developer/466418066) | [Nguyen Viet Hung](https://appshunter.io/developer/1874009660) |

## 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 |


### ShiftCal

[App page](https://appshunter.io/ios/app/shiftcal-work-schedule/id6761044964)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShiftCal Premium | $0.99 | per month |
| ShiftCal Premium | $9.99 | per year |
| ShiftCal Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is ISEC7 MAIL for Citrix free?

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

### Is ShiftCal free?

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

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

ShiftCal shows ads; ISEC7 MAIL for Citrix does not.

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

ISEC7 MAIL for Citrix ships an update monthly, and ShiftCal every 2 days. Most recently, ISEC7 MAIL for Citrix was updated on October 11, 2026 and ShiftCal on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*