# TTMS vs RELAY | Messaging

The clearest difference is update cadence: RELAY | Messaging at fortnightly against TTMS's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TTMS ships an update every 5 months, RELAY | Messaging fortnightly. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | TTMS | RELAY | Messaging |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/relay-messaging/id6737570590/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 21 MB | 30 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Geneva Media Services, LLC](https://appshunter.io/developer/1348494388) | [Motorcity Systems, LLC](https://appshunter.io/developer/1630996101) |

## What reviewers say

### TTMS

[App page](https://appshunter.io/ios/app/ttms/id1256094771)

**Features:** macOS Compatibility

**In-app purchases:** none


### RELAY | Messaging

[App page](https://appshunter.io/ios/app/relay-messaging/id6737570590)

This app provides a unified messaging system for drivers and dispatchers, enabling real-time communication on the go. It helps improve driver satisfaction by allowing quick responses to assistance requests from anywhere.

**Highlights:** Unified messaging system, Real-time communication, Mobile messaging platform, Instant notifications, On-the-go connectivity

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TTMS free?

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

### Is RELAY | Messaging free?

RELAY | Messaging is free to download, with no in-app purchases.

### Do TTMS or RELAY | Messaging have ads?

Neither TTMS nor RELAY | Messaging shows ads.

### Which is updated more often, TTMS or RELAY | Messaging?

TTMS ships an update every 5 months, and RELAY | Messaging fortnightly. Most recently, TTMS was updated on October 6, 2026 and RELAY | Messaging on October 18, 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.*