# ISEC7 MAIL for Citrix vs Simplex by SMS

The clearest difference is in-app purchases: Simplex by SMS at none against ISEC7 MAIL for Citrix's 1. ISEC7 MAIL for Citrix's advantage is update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement 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. Simplex by SMS asks for nothing beyond the download.

ISEC7 MAIL for Citrix ships an update monthly, Simplex by SMS every 3 months. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ISEC7 MAIL for Citrix | Simplex by SMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simplex-by-sms/id6450359480/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | — | Free |
| Size | 84 MB | 347 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ISEC7 Group](https://appshunter.io/developer/466418066) | [Simplex Marketing System](https://appshunter.io/developer/1692911351) |

## 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 |


### Simplex by SMS

[App page](https://appshunter.io/ios/app/simplex-by-sms/id6450359480)

This all-in-one platform uses AI to streamline sales and marketing for gym owners. It offers lead generation, automated workflows, reputation management, and a website builder. Seamlessly syncs automated marketing with personal team interaction for a personalized customer experience.

**Highlights:** AI-powered sales and marketing, Lead generation from multiple sources, Automated workflows, Reputation management tool, Website builder, CRM/lead management, 2-way sync with automation

**Features:** macOS Compatibility, Apple Wallet

**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 Simplex by SMS free?

Simplex by SMS is free to download, with no in-app purchases.

### Do ISEC7 MAIL for Citrix or Simplex by SMS have ads?

Neither ISEC7 MAIL for Citrix nor Simplex by SMS shows ads.

### Which is updated more often, ISEC7 MAIL for Citrix or Simplex by SMS?

ISEC7 MAIL for Citrix ships an update monthly, and Simplex by SMS every 3 months. Most recently, ISEC7 MAIL for Citrix was updated on October 11, 2026 and Simplex by SMS on October 9, 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.*