Comparison

Cato Client vs PLC Tools Plus

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

Head to head
About

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.

Highlights
  • Secure mobile connectivity
  • Access to corporate resources
  • Connect to Cato Cloud
  • On-premise and cloud access
  • For traveling business users
Features
Read full description

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.

About

PLC Tools Plus

Features
Read full description

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

Cato Client4 screens
PLC Tools Plus3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Cato Client versus PLC Tools Plus: the parameters behind the verdict, then further details
ParameterCato ClientPLC Tools Plus
PriceFreeFree
Rating3.6 (14 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings14 — better—
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.4
Further details — not scored
Size29 MB60 MB
Age rating4+4+
DeveloperCato Networks Ltd.JASON THOMAS SERAFIN

In-app purchases

None

Cato Client

No in-app purchases

1 purchases

PLC Tools Plus

Subscriptions1
  • PLC Tools Plus Pro14 Days trial$4.991 Month

Questions

Is Cato Client free?
Cato Client is free to download, with no in-app purchases.
Is PLC Tools Plus free?
PLC Tools Plus is free to download, with in-app purchases available.
Do Cato Client or PLC Tools Plus have ads?
Neither Cato Client nor PLC Tools Plus shows ads.
Which is updated more often, Cato Client or PLC Tools Plus?
Cato Client ships an update every 3 months, and PLC Tools Plus every 5 days. Most recently, Cato Client was updated on October 8, 2026 and PLC Tools Plus on September 29, 2026.

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