# Trillian — Modern and secure messaging > Secure instant messaging for business, healthcare, and personal use. (iPhone/iPad app by Cerulean Studios, LLC.) - Source: https://appshunter.io/ios/app/trillian/id327603487 (this page in markdown: same URL + `.md`) - Developer: [Cerulean Studios, LLC](https://appshunter.io/developer/327603490) - Category: Business, Social Networking - Price: Free with in-app purchases - Rating: 4.10/5 from 569 App Store ratings · 336 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 41 MB - Languages: American English, Bulgarian, Czech, Dutch, French (France), German (Germany), Hungarian, Italian, European Portuguese, Romanian and 4 more - Released: 2009-11-18 - Data updated: 2026-08-26 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/trillian/id327603487/reviews.md ## What is Trillian? Trillian is both a free instant messenger for individuals and a powerful business and clinical communication platform used by companies and healthcare systems of all sizes. Here's how we can help you: • FOR BUSINESSES: Does your business still rely on texting or cumbersome email chains? Let Trillian's modern and secure business instant messaging modernize employee communication without compromising on security or control. • FOR HEALTHCARE: Your healthcare organization needs secure instant messaging, and Trillian's HIPAA-compliant secure messaging platform has you covered. We help teams of all sizes improve clinical communication without breaking the bank. • FOR INDIVIDUALS: Stay in touch with family and friends without compromising your privacy. Your unique Trillian username can be used to send unlimited messages free of charge over your existing data plan and/or WiFi. Whether you're looking to empower secure employee instant messaging or just to keep in touch with family and friends, Trillian can help. Thanks for checking us out! Terms of Use: https://trillian.im/legal/customer-agreement/ ## Key features - Secure business instant messaging - HIPAA-compliant healthcare communication - Free individual messaging - Modern employee communication - Privacy-focused personal chat ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Trillian Pro - Yearly | $47.99 | per year | | Trillian Pro - Monthly | $4.99 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Trillian Pro - One Month | $4.99 | one-time | | Trillian Pro - One Year | $47.90 | one-time | ## Recent user reviews (10 of 336) All indexed reviews: https://appshunter.io/ios/app/trillian/id327603487/reviews.md ### 2/5 — FIX KLIPY GIFS *2026-07-25, version 6.6.83* You got rid of Tenor gifs and now KLIPY is inaccessible on mobile. Fix this!!!!! ### 5/5 — Best IM program by a mile *2026-05-17, version 6.6.83* I’ve used Trillian for years and it has always done exactly what I needed to do. I will never use another IM program. ### 5/5 — great! *2026-05-03, version 6.6.83* amazing app, works well, and i love the urgent messages! ### 1/5 — horrible,absolutely horrible *2026-04-26, version 6.6.83* the app is just bleh like it just doesn’t fit well ### 5/5 — Great IM! *2025-12-02* This app is a great and easy to use instant messenger, and what is great about it is that it works well with iOS 6! I use an older phone at times for minimal use and its great I need to keep up to date with my chats. This works flawlessly. ### 1/5 — Not customer friendly *2025-11-20, version 6.6.83* I find the app clumsy and cumbersome to navigate. Doesn’t save messages and I have it set to never erase at the moment and have zero messages. ### 1/5 — Cannot delete acct *2025-11-15, version 6.6.83* Cannot control chat history. Cannot delete acct ### 1/5 — App is terrible *2025-07-28, version 6.6.83* Notifications do not work at all ### 3/5 — Good basic chatApp *2025-07-10* Great app, there is room for simple improvement but it gets the job done ### 1/5 — Not impressed *2025-07-08, version 6.6.83* This app has more holes than Swiss Cheese. Constantly crashing, accent colors won’t stay when set. Notifications randomly switch from set default monitor. Frustrating. ## Frequently asked questions about Trillian ### What is Trillian? Trillian is a secure instant messaging platform designed for both individual and professional use. It offers solutions for businesses to modernize employee communication, for healthcare organizations to ensure HIPAA-compliant messaging, and for individuals to stay in touch privately and for free. ### Is Trillian free to use? Yes, Trillian offers a free instant messenger for individuals to stay in touch with family and friends without compromising privacy. Businesses and healthcare organizations can also leverage its powerful communication features, with potential in-app purchases for advanced functionalities. ### Is Trillian HIPAA compliant? Yes, Trillian provides a HIPAA-compliant secure messaging platform specifically for healthcare organizations. This ensures that clinical communication can be improved without compromising patient data security. ### What are the benefits of using Trillian for business? For businesses, Trillian modernizes employee communication by replacing cumbersome email chains and insecure texting with a secure instant messaging solution. This enhances team collaboration and control over communication channels. ### How does Trillian help individuals? Individuals can use Trillian to connect with family and friends privately and securely. Your unique Trillian username allows for unlimited messaging over your existing data plan or WiFi, ensuring your conversations remain confidential. ## Version history (last 5 releases) ### 7.0.7 — 2026-08-26 New features, bugfixes, and performance improvements. ### 7.0.6 — 2026-08-23 New features, bugfixes, and performance improvements. ### 7.0.5 — 2026-08-21 New features, bugfixes, and performance improvements. ### 7.0.4 — 2026-08-17 New features, bugfixes, and performance improvements. ### 7.0.3 — 2026-08-10 New features, bugfixes, and performance improvements. ## Apps similar to Trillian | App | Rating | Price | Category | | --- | --- | --- | --- | | [OEMIM](https://appshunter.io/ios/app/oemim/id910401740) | — | Free | Business | | [Dust - a safer place to text](https://appshunter.io/ios/app/dust-a-safer-place-to-text/id690158616) | 4.6 (4,317) | Free | Business | | [Intelligence Summit 2019](https://appshunter.io/ios/app/intelligence-summit-2019/id1476798680) | — | Free | Business | | [HOUSELINK](https://appshunter.io/ios/app/houselink/id1470750760) | — | Free | Business | | [Energeia Med](https://appshunter.io/ios/app/energeia-med/id897829780) | — | Free | Business | | [그린메시지](https://appshunter.io/ios/app/id903283980) | — | Free | Business | ## Related topics [trillian instant messenger](https://appshunter.io/ios/topics/trillian-instant-messenger) · [sngine messaging](https://appshunter.io/ios/topics/sngine-messaging) · [becon im](https://appshunter.io/ios/topics/becon-im) · [notify im](https://appshunter.io/ios/topics/notify-im) · [free messaging apps wifi](https://appshunter.io/ios/topics/free-messaging-apps-wifi) · [xgen im](https://appshunter.io/ios/topics/xgen-im) · [cbre im](https://appshunter.io/ios/topics/cbre-im) · [instant messaging](https://appshunter.io/ios/topics/instant-messaging) · [xmpp](https://appshunter.io/ios/topics/xmpp) · [xmpp chat](https://appshunter.io/ios/topics/xmpp-chat) · [ioconnect](https://appshunter.io/ios/topics/ioconnect) · [clinician messaging](https://appshunter.io/ios/topics/clinician-messaging) · [internal comms](https://appshunter.io/ios/topics/internal-comms) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*