PS Workflow+ vs RELAY | Messaging
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PS Workflow+
This app provides drivers with essential information and communication tools while on the road. It facilitates access to job details, messaging with the back-office, and tracking of duty status and hours of service.
- Review and accept new loads
- View active loads and status
- Two-way messaging with back-office
- Receive job and message notifications
- Track duty status and HOS timers
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With PS Workflow+, drivers can access all the information they need outside the cab. You can stay connected with your back-office team through two-way messaging and stay informed with job information, current duty status, and hours of service (HOS) timers. With PS Workflow+, you can: 1. Review and Accept New Loads and Preplans 2. View Active Loads and Current Status 3. Send, Receive, and Search for Messages 4. Receive Notifications on New Jobs and Messages 5. View current Duty Status and Hours of Service (HOS) timers. Your fleet must invite you to use PS Workflow+.
RELAY | Messaging
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.
- Unified messaging system
- Real-time communication
- Mobile messaging platform
- Instant notifications
- On-the-go connectivity
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RELAY connects drivers and dispatch through a single unified system that runs on your existing in-cab and mobile messaging platforms. - Stay connected on the go: Communicate with drivers, even when you’re away from your computer. - Improve driver satisfaction: Receive instant notifications and respond quickly from your mobile device when drivers need assistance, wherever you are.
Screenshots
Verdict
The clearest difference is rating: RELAY | Messaging at 5.0 against PS Workflow+'s 3.7. RELAY | Messaging also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (13.4 vs 15.0). PS Workflow+'s advantage is ratings volume (21 vs 1). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
RELAY | Messaging holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: PS Workflow+ has 21 ratings behind it against 1, so its average is the more settled of the two.
PS Workflow+ ships an update every 3 months, RELAY | Messaging fortnightly. The most recent releases landed on September 24, 2026 and October 1, 2026 respectively.
| Parameter | PS Workflow+ | RELAY | Messaging |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (21 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 42.9% of reviews | — |
| Number of ratings | 21 — better | 1 |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 42 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | PlatformScience | Motorcity Systems, LLC |
Customer experience
PS Workflow+
RELAY | Messaging
In-app purchases
PS Workflow+
No in-app purchases
RELAY | Messaging
No in-app purchases
Questions
Is PS Workflow+ free?
Is RELAY | Messaging free?
Which has better reviews, PS Workflow+ or RELAY | Messaging?
Do PS Workflow+ or RELAY | Messaging have ads?
Which is updated more often, PS Workflow+ or RELAY | Messaging?
Other comparisons
