Comparison

Trillian vs Dynamic Signal

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Trillian

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
Read full description

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/

About

Dynamic Signal

This app connects organizations with their employees in real time. It delivers personalized and relevant content through alerts, push notifications, and various post formats. Companies use it to ensure every worker receives essential information.

Highlights
  • Real-time employee connection
  • Personalized content delivery
  • Alerts and push notifications
  • Broadcasts and posts
  • Native video support
  • Content sharing
Features
Read full description

The Dynamic Signal app modernizes business communication by connecting organizations with their most valued asset – their employees. Hundreds of companies trust Dynamic Signal to help them reach every worker in real time with the personalized, relevant content they need, in the way they want and expect. ● Alerts and push notifications ● Broadcasts, posts, native video ● Ability to share approved content Please note: You must have a Dynamic Signal account to use this mobile application.

Screenshots

Trillian3 screens
Dynamic Signal4 screens

Verdict

The call

The clearest difference is rating: Dynamic Signal at 4.8 against Trillian's 4.1. Dynamic Signal also leads on in-app purchases (none vs 4) and ratings volume (7K vs 574). Trillian's advantage is update cadence (every 10 days vs monthly) and review sentiment (57% vs 45%). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Dynamic Signal holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Dynamic Signal has 7K ratings behind it against 574, so its average is the more settled of the two. Written reviews complicate that: 57% of Trillian's written reviews are positive against 45% of Dynamic Signal's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Trillian ships an update every 10 days, Dynamic Signal monthly. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

Scorecard6 real differences · 4 level
Trillian versus Dynamic Signal: the parameters behind the verdict, then further details
ParameterTrillianDynamic Signal
PriceFreeFree
Rating4.1 (574 ratings)4.8 (7K ratings) — better
Positive reviews57.3% of reviews — better45.5% of reviews
Number of ratings5747K — better
Update frequencyEvery 10 days — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size41 MB76 MB
Age rating4+17+
DeveloperCerulean Studios, LLCDynamic Signal, Inc.

Customer experience

Trillian

All ratings574 ratings
Positive79.3%
Neutral4.5%
Negative16.2%
Written reviews337 reviews
Positive57.3%
Neutral9.8%
Negative32.9%

Dynamic Signal

All ratings6,991 ratings
Positive96.3%
Neutral2.0%
Negative1.7%
Written reviews66 reviews
Positive45.5%
Neutral7.6%
Negative47.0%

Bugs and requests

Trillian

Not enough reviews yet to summarise bugs or requests.

Dynamic Signal

Reported bugs

4 issues
  • Login screen freezes
  • Incompatible with older devices
  • Doesn't work in dark mode
  • Sharing issues with LinkedIn, Twitter, and Facebook

Requested features

4 requests
  • Improve iPad experience with landscape mode
  • Add support for more social media platforms like Instagram
  • Allow cancelling of scheduled posts
  • Improve post history tracking and management

In-app purchases

4 purchases

Trillian

Subscriptions2
  • Trillian Pro - Monthly$4.991 Month
  • Trillian Pro - Yearly$47.991 Year
One-time2
  • Trillian Pro - One Month$4.99
  • Trillian Pro - One Year$47.90
None

Dynamic Signal

No in-app purchases

Questions

Is Trillian free?
Trillian is free to download, with in-app purchases available.
Is Dynamic Signal free?
Dynamic Signal is free to download, with no in-app purchases.
Which has better reviews, Trillian or Dynamic Signal?
Dynamic Signal is rated higher. Trillian averages 4.1 out of 5 from 574 ratings, while Dynamic Signal averages 4.8 from 7K ratings.
Do Trillian or Dynamic Signal have ads?
Neither Trillian nor Dynamic Signal shows ads.
Which is updated more often, Trillian or Dynamic Signal?
Trillian ships an update every 10 days, and Dynamic Signal monthly. Most recently, Trillian was updated on September 22, 2026 and Dynamic Signal on September 17, 2026.

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