# Trillian vs OCSS

The clearest difference is in-app purchases: OCSS at none against Trillian's 4. OCSS also leads on iOS requirement (8.0 vs 15.0). Trillian's advantage is ratings volume (574 vs 2) and update cadence (weekly vs every 2 weeks). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.1 for Trillian against 4.0 for OCSS. That said, the two scores are not equally well evidenced: Trillian has 574 ratings behind it against 2, so its average is the more settled of the two.

Trillian ships an update weekly, OCSS every 2 weeks. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Trillian | OCSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (574 ratings)](https://appshunter.io/ios/app/trillian/id327603487/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/ocss/id1207031032/reviews) |
| Number of ratings | **574** | 2 |
| Positive reviews | 57.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 53 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Cerulean Studios, LLC](https://appshunter.io/developer/327603490) | [StepMobile, LLC](https://appshunter.io/developer/1207031031) |

## 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 |


### OCSS

[App page](https://appshunter.io/ios/app/ocss/id1207031032)

Access and manage case load information for the Ohio Community Supervision System. View and edit details like addresses, activities, and case notes. Attach photographs and other files to case entries.

**Highlights:** View case load information, Edit basic information, Add photographs and attachments, Manage Absconder Entries, Track Activities and Assessments, Update Addresses and Employments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trillian free?

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

### Is OCSS free?

OCSS is free to download, with no in-app purchases.

### Which has better reviews, Trillian or OCSS?

Trillian is rated higher. Trillian averages 4.1 out of 5 from 574 ratings, while OCSS averages 4.0 from 2 ratings.

### Do Trillian or OCSS have ads?

Neither Trillian nor OCSS shows ads.

### Which is updated more often, Trillian or OCSS?

Trillian ships an update weekly, and OCSS every 2 weeks. Most recently, Trillian was updated on September 25, 2026 and OCSS on June 1, 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.*