OPTISONIC 6300 P vs Modbus TCP Station
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
OPTISONIC 6300 P
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The KROHNE OPTISONIC 6300 P App is the display/ HMI for the Portable Ultrasonic flowmeter, the OPTISONIC 6300 P. The app can be used for: - connecting to an OPTISONIC 6300 P the field device with USB cable or Bluetooth connection - Read-out (display) of the multiple measurements - Transferring log files of the measurement data - Installing the field device by using the installation wizard - Change converter settings - Converter software updates
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: β’ Complete Connectivity: Connect to any Modbus TCP Server (Slave) via IP and Port. β’ Comprehensive Function Codes: Supports FC01 (Coil), FC02 (Discrete Input), FC03 (Holding Register), and FC04 (Input Register). β’ Flexible Data Formats: View data in Binary, Unsigned/Signed Integer, Hex, Float, and Double. β’ Advanced Byte Swapping: Supports Inverse/Swap options for handling complex Word orders (Big Endian/Little Endian). β’ Real-time Monitoring: Watch your data change instantly with efficient polling. β’ Write Capabilities: Easily write values to Coils and Registers for device control. Pro Features: β’ Profile Management: Save and load unlimited connection profiles and register setups. β’ Ad-Free Experience: Focus on your work without distractions. β’ Unlimited Views: Create as many data blocks as you need. Multi-Language Support: β’ English β’ German (Deutsch) β’ Korean (νκ΅μ΄) β’ Japanese (ζ₯ζ¬θͺ) β’ Traditional Chinese (ηΉι«δΈζ - TW/HK) β’ Simplified Chinese (δΈζ) 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: OPTISONIC 6300 P at none against Modbus TCP Station's 2. OPTISONIC 6300 P also leads on ads (none vs shown). Modbus TCP Station's advantage is update cadence (every 10 days vs every 5 months). On price, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Modbus TCP Station sells 2 one-off in-app purchases. OPTISONIC 6300 P asks for nothing beyond the download.
OPTISONIC 6300 P ships an update every 5 months, Modbus TCP Station every 10 days. The most recent releases landed on October 30, 2026 and November 2, 2026 respectively.
| Parameter | OPTISONIC 6300 P | Modbus TCP Station |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 10 days β better |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 β better |
| Further details β not scored | ||
| Size | 42 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | KROHNE Messtechnik GmbH | DONGSOO LEE |
In-app purchases
OPTISONIC 6300 P
No in-app purchases
Modbus TCP Station
- 1-Month Premium Pass$0.99
- Premium Upgrade$9.99
Questions
Is OPTISONIC 6300 P free?
Is Modbus TCP Station free?
Do OPTISONIC 6300 P or Modbus TCP Station have ads?
Which is updated more often, OPTISONIC 6300 P or Modbus TCP Station?
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