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iOS 3 can’t install from Safari. You can still download the IPA file, but you’re on your own after that.
Trillian
  • Price
    Free
  • CategorySocial Networking
  • First releasedNovember 18, 2009
  • Versions7 archived
  • Installable7 of 7
  • AvailabilityStill on the App Store
  • SellerCerulean Studios, LLC

RequirementsCompatible with iPhone and iPod touch. Requires iOS 3.0 or later.

Customer Ratings

As of December 4, 2024
     
505 Ratings

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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!

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To install apps directly onto this device, it must be jailbroken with AppSync installed.
1.0.0.280
Requires iOS 3.0+
1.6 MB Install Download
1.2 (1.2.0.40)
Requires iOS 3.0+
1.3 MB Install Download 1 more copy ›
Trillian-v1.2.0.40-Drungrin.ipa · 1.9 MB Install Download
1.3.2 (1.3.2.0)
Requires iOS 3.0+
July 9, 2010
1.8 MB Install Download
1.5.2 (1.5.2.4)
Requires iOS 3.0+
3.5 MB Install Download
1.5.3 (1.5.3.6)
Requires iOS 3.0+
3.5 MB Install Download
1.5.4 (1.5.4.1)
Requires iOS 3.0+
3.5 MB Install Download
2.1.0.9
Requires iOS 4.3+
17.5 MB Install Download

Chart History

Top Free · Social Networking View chart ›
Peaked at #24 (June 11, 2011) · 1 archived capture · Jun 2011

Ratings Over Time

sampled from 15 archived captures
DateVersionRatingRatingsPrice
February 11, 2010 — — 594 $4.99
March 24, 2011 1.5.4.1 — 1,500 $4.99
January 29, 2012 — — 3,142 Free
March 7, 2013 — — 4,959 Free
December 26, 2014 2.1.9 ★ 4.0 5,387 Free
January 21, 2015 2.1.9 ★ 4.0 5,389 Free
February 7, 2015 2.1.9 ★ 4.0 5,397 Free
April 21, 2015 2.1.9 ★ 4.0 5,405 Free
October 16, 2015 3.1 ★ 4.0 5,497 Free
January 31, 2019 6.1.3 ★ 4.0 5,837 Free

From archived App Store listing data, captured by the Wayback Machine.

Archived Reviews

8 of 25
App is terrible
     
by Cphill · July 28, 2025

Notifications do not work at all

Nothing but glitches
     
by Itscuzimmaturk · May 9, 2023

They really try pushing the premium account Chats keep disappearing, these so called “bug fix” updates just keep creating more bugs Currently cant even copy a sentence without force closing the app and reopening it

Almost great.
     
by Downtown Sophisticate · December 24, 2024

Needs message edit and message delete after send.

Not customer friendly
     
by Abe1949 · November 20, 2025

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.

Freseniushealthcare
     
by Jasminemgomez · December 12, 2022

If asked to download this for interview with Freseniushealthcare. DONT! They will attempt to interview you and then you will get a job offer that is not real. I reached out to the actual company Fresenius medical care and they let me know it was a scam. Stay safe everyone!

By far THE WORST Messaging Platform
     
by Jimmyross1994 · December 24, 2024

My company uses this Messaging platform and its horrible. Logs out every few weeks, Doesn’t load anything properly and if you forget your password, to reset is a NIGHTMARE. The worst app for messaging ever. Do Not recommend for Personal OR Business use.

Sign in
     
by mg6035 · March 26, 2023

Since the last update I have to sign into the app every time. Before, I stayed signed in. And there is no option to use Face ID or to keep me signed in. What happened?

great!
     
by til2098 · May 3, 2026

amazing app, works well, and i love the urgent messages!

Period reviews recovered from Apple's customer-review feeds via the Wayback Machine.