PLC Simulator 2, Ladder Logic vs Modbus TCP Station
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PLC Simulator 2, Ladder Logic
This application enables students and professionals to test and explore basic PLC programming using ladder logic on their mobile devices. It supports various instructions, configurable rungs, and includes interactive animations for a hands-on learning experience. Save and modify up to 20 programs, with preloaded examples to aid understanding.
- Configurable rungs
- Input/Output descriptions
- Ladder logic simulation
- Save up to 20 programs
- Interactive animations
- Preloaded example programs
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This app allows PLC students (Electricians, apprentices and college students) to test their small homework assignments using their phone and explore basic PLC programming. It has input instructions, outputs, timers, counters, latches, unlatches and compare blocks, each rung is FULLY configurable with 6 instruction long and 4 instructions deep. Features include: - Three Interactive animations. - Includes the code to run animation 3, "Bottling Plant". - Input and Output descriptions. - Rung descriptions. - 25 programmable rungs. - Simple to construct and run PLC ladder logic. - Save up to 40 programs. - Includes 5 preloaded example programs that can be modified to see the affects of the changes. - It’s FREE with NO ADVERTISEMENTS. --- (Makes it a great learning tool for instructors to help their students to learn ladder logic.) --- Give it a try, I think you will like it.
Modbus TCP Station
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Turn your smartphone into a powerful Modbus TCP Master tool! Designed for PLC engineers, system integrators, and DIY enthusiasts, Modbus TCP Station allows you to communicate with, monitor, and control any Modbus TCP-enabled device (PLC, HMI, SCADA, ESP32, Raspberry Pi, etc.) with ease. Whether you are debugging a smart factory system or testing a home automation project, this app provides a professional interface to visualize and manipulate data in real-time. Key Features: • Complete Connectivity: Connect to any Modbus TCP Server (Slave) via IP and Port. • Comprehensive Function Codes: Supports FC01 (Coil), FC02 (Discrete Input), FC03 (Holding Register), and FC04 (Input Register). • Flexible Data Formats: View data in Binary, Unsigned/Signed Integer, Hex, Float, and Double. • Advanced Byte Swapping: Supports Inverse/Swap options for handling complex Word orders (Big Endian/Little Endian). • Real-time Monitoring: Watch your data change instantly with efficient polling. • Write Capabilities: Easily write values to Coils and Registers for device control. Pro Features: • Profile Management: Save and load unlimited connection profiles and register setups. • Ad-Free Experience: Focus on your work without distractions. • Unlimited Views: Create as many data blocks as you need. Multi-Language Support: • English • German (Deutsch) • Korean (한국어) • Japanese (日本語) • Traditional Chinese (繁體中文 - TW/HK) • Simplified Chinese (中文) Why choose Modbus TCP Station? Stop carrying heavy laptops for simple checks. With a clean UI and robust performance, this is the essential pocket tool for every automation engineer. Download now and master your Modbus network!
Screenshots
Verdict
The clearest difference is in-app purchases: PLC Simulator 2, Ladder Logic at none against Modbus TCP Station's 2. PLC Simulator 2, Ladder Logic also leads on ads (none vs shown). On price, update cadence, 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. Modbus TCP Station sells 2 one-off in-app purchases. PLC Simulator 2, Ladder Logic asks for nothing beyond the download.
PLC Simulator 2, Ladder Logic ships an update every 6 days, Modbus TCP Station every 10 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.
| Parameter | PLC Simulator 2, Ladder Logic | Modbus TCP Station |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (121 ratings) — better | — |
| Positive reviews | 84.0% of reviews | — |
| Number of ratings | 121 — better | — |
| Update frequency | Every 6 days — better | Every 10 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 29 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | David White | DONGSOO LEE |
In-app purchases
PLC Simulator 2, Ladder Logic
No in-app purchases
Modbus TCP Station
- 1-Month Premium Pass$0.99
- Premium Upgrade$9.99
Questions
Is PLC Simulator 2, Ladder Logic free?
Is Modbus TCP Station free?
Do PLC Simulator 2, Ladder Logic or Modbus TCP Station have ads?
Which is updated more often, PLC Simulator 2, Ladder Logic or Modbus TCP Station?
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