# Trillian vs Citrix Secure Mail

The clearest difference is in-app purchases: Citrix Secure Mail at none against Trillian's 4. Citrix Secure Mail also leads on rating (4.5 vs 4.1) and review sentiment (81% vs 57%). Trillian's advantage is update cadence (every 5 days vs every 3 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Trillian sells 4 in-app purchases, starting at $4.99 per month. Citrix Secure Mail asks for nothing beyond the download.

Citrix Secure Mail holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: Citrix Secure Mail has 5.9K ratings behind it against 574, so its average is the more settled of the two. Written reviews point the same way: 57% of Trillian's written reviews are positive against 81% of Citrix Secure Mail's.

Trillian ships an update every 5 days, Citrix Secure Mail every 3 months. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Trillian | Citrix Secure Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (574 ratings)](https://appshunter.io/ios/app/trillian/id327603487/reviews) | **[4.5 (5.9K ratings)](https://appshunter.io/ios/app/citrix-secure-mail/id1155203964/reviews)** |
| Number of ratings | 574 | **5.9K** |
| Positive reviews | 57.3% of reviews | **80.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 59 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cerulean Studios, LLC](https://appshunter.io/developer/327603490) | [Citrix Systems, Inc.](https://appshunter.io/developer/402844564) |

## What reviewers say

### Trillian

[App page](https://appshunter.io/ios/app/trillian/id327603487)

This secure messaging platform offers instant communication for businesses, healthcare organizations, and individuals. It modernizes employee communication, provides HIPAA-compliant messaging for healthcare, and allows free, private communication for personal use.

**Highlights:** Secure business instant messaging, HIPAA-compliant healthcare communication, Free individual messaging, Modern employee communication, Privacy-focused personal chat

**Features:** Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trillian Pro - Monthly | $4.99 | per month |
| Trillian Pro - Yearly | $47.99 | per year |
| Trillian Pro - One Month | $4.99 | one-time |
| Trillian Pro - One Year | $47.90 | one-time |


### Citrix Secure Mail

[App page](https://appshunter.io/ios/app/citrix-secure-mail/id1155203964)

Manage multiple email accounts, calendars, and contacts securely on your mobile device. This robust solution integrates with business tools and offers advanced security features for enterprise or BYOD environments, protecting personal data.

**Highlights:** Multiple Exchange account support, Phishing email reporting, Email attachment folder, Single sign-on, Quick email sorting (Triage view), Personal contact groups, Integration with Teams/Skype/GoToMeeting

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and reliable
- 🔒 Secure and encrypted
- 👍 Intuitive and user-friendly
- 🗓️ Seamless calendar integration
- 💡 Convenient mobile access to work email

**What reviewers complain about**

- 🐛 Frequent crashes and sync issues
- 🔑 Repeated login/authorization required
- 📄 Limited functionality compared to desktop email
- 🔍 Unreliable notification badges
- 🔒 Overly restrictive security measures

**Reported bugs**

- Emails not syncing properly
- Calendar not displaying correctly
- Attachments failing to open
- Compatibility issues with iOS 12 and newer
- Notification delays and inaccuracies

**Requested features**

- Allow copy/paste functionality
- Integrate with personal calendars and contacts
- Improve PDF viewing and annotation
- Provide more customization options
- Enable offline email access and drafting


## Frequently asked questions

### Is Trillian free?

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

### Is Citrix Secure Mail free?

Citrix Secure Mail is free to download, with no in-app purchases.

### Which has better reviews, Trillian or Citrix Secure Mail?

Citrix Secure Mail is rated higher. Trillian averages 4.1 out of 5 from 574 ratings, while Citrix Secure Mail averages 4.5 from 5.9K ratings.

### Do Trillian or Citrix Secure Mail have ads?

Neither Trillian nor Citrix Secure Mail shows ads.

### Which is updated more often, Trillian or Citrix Secure Mail?

Trillian ships an update every 5 days, and Citrix Secure Mail every 3 months. Most recently, Trillian was updated on October 1, 2026 and Citrix Secure 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.*