Comparison

PLC logic vs Modbus TCP Tools

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

Head to head
About

PLC logic

Features
Read full description

Use the PLC logic app and the corresponding Bluetooth adapter to quickly and wirelessly access the process data of your logic modules. You can adjust parameters and monitor your application.

About

Modbus TCP Tools

Features
Read full description

Modbus TCP Tool is a professional Modbus TCP client designed for engineers, technicians, and industrial automation professionals who require fast, reliable communication with Modbus devices. Designed for local network communication with a focus on performance, reliability, and ease of use. Main Features • Read Holding Registers (FC03) with configurable polling intervals. • Write Single Registers (FC06) with confirmation (Pro). • View register values in Decimal, Hexadecimal, Binary, or All formats. • High-performance polling for real-time monitoring. • Built-in Modbus TCP simulator for testing without external hardware. • Save connection profiles and favorite register ranges. • Register aliases for easier identification (Pro). • Bit-level register inspection (Pro). • Trend analysis with Min, Max and Average values (Pro). • Configurable register alarms (Pro). • Diagnostics with freeze snapshots, textual comparison and CSV/JSON export (Pro). • Dark interface optimized for industrial environments. Compatible with PLCs, gateways, HMIs, sensors, embedded devices, and any equipment implementing the Modbus TCP protocol, including devices from manufacturers such as Siemens, Schneider Electric, Allen-Bradley, and Modicon. Whether you're commissioning equipment, troubleshooting industrial networks, or monitoring production systems, Modbus TCP Tool provides a fast and intuitive way to interact with Modbus TCP devices.

Screenshots

Modbus TCP Tools4 screens

Verdict

The call

The clearest difference is in-app purchases: PLC logic at none against Modbus TCP Tools's 1. PLC logic also leads on iOS requirement (8.0 vs 15.1). Modbus TCP Tools's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Modbus TCP Tools sells 1 one-off in-app purchase. PLC logic asks for nothing beyond the download.

Scorecard3 real differences Ā· 2 level
PLC logic versus Modbus TCP Tools: the parameters behind the verdict, then further details
ParameterPLC logicModbus TCP Tools
PriceFreeFree
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better15.1
Further details — not scored
Size43 MB31 MB
Age rating4+4+
DeveloperPhoenix Contact GmbH & Co. KGBITAJON SYSTEMS LTDA

In-app purchases

None

PLC logic

No in-app purchases

1 purchases

Modbus TCP Tools

One-time1
  • Modbus TCP Tool$9.99

Questions

Is PLC logic free?
PLC logic is free to download, with no in-app purchases.
Is Modbus TCP Tools free?
Modbus TCP Tools is free to download, with in-app purchases available.
Do PLC logic or Modbus TCP Tools have ads?
Neither PLC logic nor Modbus TCP Tools shows ads.

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