Cato Client vs PLC Tools Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cato Client
This app provides secure access for business users to connect to corporate resources from their mobile devices. It allows seamless connectivity to on-premise and cloud-based systems, enabling productivity for traveling professionals.
- Secure mobile connectivity
- Access to corporate resources
- Connect to Cato Cloud
- On-premise and cloud access
- For traveling business users
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The Cato Client enables secure connectivity from mobile devices used by businesses to the Cato Cloud service. Traveling business users can easily connect to corporate resources on premise and in the cloud from everywhere.
PLC Tools Plus
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PLC Tools Plus turns your phone or tablet into a portable EtherNet/IP diagnostic tool for compatible PLC controllers. Discover controllers on your local network, explore their full tag database, and watch live values update in real time - all without opening a laptop or launching programming software. Built for controls engineers, technicians, and integrators who need a fast way to check on a machine from the plant floor. KEY FEATURES - Controller Discovery: Scan your local network for EtherNet/IP controllers, or connect directly by IP address. Choose which network interface to scan from when your device has more than one. - Full Tag Browser: Explore a controller's complete tag database, including nested structures, arrays, and user-defined types (UDTs). Drill down into individual members to find exactly the tag you need. - Live Data Monitor: Add tags to a live monitoring view grouped by controller, watch values update in real time, and write new values to tags when you need to test or adjust a running process. - Ethernet/IP IO Scanner: Connect to any IO device that supports Ethernet/IP such field IO and VFDs - Ethernet/IP IO Device Simulator: Simulate IO devices and connect to it from a PLC. Simulate input data and read output data. - Demo PLC Mode: New to the app? Try a simulated "Demo PLC" controller loaded with sample tags, arrays, and UDTs - no real hardware required. - Built for the Field: A clean, mobile-first interface designed for quick checks on the plant floor, not a scaled-down desktop tool. REQUIREMENTS - Your device must be on the same local network as the target PLC(s). - Compatible with PLC controllers that support the EtherNet/IP (CIP) protocol using symbolic tag names. SUBSCRIPTION PLC Tools Plus includes a 14-day free trial. After the trial, full access requires a PLC Tools Plus Pro subscription at $4.99/month. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription anytime in your App Store account settings. Payment will be charged to your Apple ID account at confirmation of purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://serafintech.github.io/privacy/plc-tools-plus/
Screenshots
Verdict
The clearest difference is in-app purchases: Cato Client at none against PLC Tools Plus's 1. PLC Tools Plus's advantage is update cadence (every 5 days vs every 3 months). 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
Both are free to download. PLC Tools Plus sells 1 in-app purchase, starting at $4.99 per month. Cato Client asks for nothing beyond the download.
Cato Client ships an update every 3 months, PLC Tools Plus every 5 days. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.
| Parameter | Cato Client | PLC Tools Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (14 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 29 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Cato Networks Ltd. | JASON THOMAS SERAFIN |
In-app purchases
Cato Client
No in-app purchases
PLC Tools Plus
- PLC Tools Plus Pro14 Days trial$4.991 Month
Questions
Is Cato Client free?
Is PLC Tools Plus free?
Do Cato Client or PLC Tools Plus have ads?
Which is updated more often, Cato Client or PLC Tools Plus?
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