Comparison

OneTracPro Mobile Client vs Modbus TCP Station

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

Head to head
About

OneTracPro Mobile Client

Monitor vehicles and equipment with precision GPS technology. Receive real-time updates, historical playback, and custom alerts for asset movement. Access a user-friendly dashboard for fleet management and telematics data.

Highlights
  • Real-time asset tracking
  • Geo-fencing alerts
  • Historical movement playback
  • Fleet command dashboard
  • Telematics data capture
  • Service record management
Features
Read full description

OneTracGPS is the perfect solution for businesses and individuals who need to quickly locate their assets. With OneTracGPS, you can monitor your vehicles and equipment with ease, and access historical playback of your movements. Plus, receive text or email alerts whenever your asset moves outside of a designated area (aka geo fencing). You can also access our web and app platform from any device for real-time tracking. Best of all, there are no contracts or cancellation fees so you can cancel anytime. And our affordable pricing makes it easy to get started. • Precision GPS technology, eliminating guesswork • Live updates and visibility, providing regular updates as often as every 10 seconds • Asset monitoring, such as temperature data and asset location • An integrated, user-friendly fleet command dashboard; giving you access to your fleet with just a few swipes • The ability to capture and view telematics data such as vehicle speed, direction, and fault codes • Individualized regular servicing dashboard with service records for your vehicles Use all the features of the OneTracGPS Tracking on your phone or tablet. Features: • Real-time tracking – View the address, travel speed, and the fuel consumption of your devices. • Geo-fencing – Allows you to setup virtual geographic boundaries around areas that have a specific interest for you, and then receive alerts when entering or exiting these areas. • Notifications – Receive instant alerts about defined events including; Geo-fence, Speeding, Theft, Stops, SOS Alarms, and more. • History and reports – Preview and download various reports including; Hours driven, Hours in use, Distance traveled, Fuel costs, Fuel consumption, Stops, and more. • POI – You can add markers and locations of Points of Interest to you. About OneTracGPS tracking software: OneTracGPS is a complete GPS Tracking and Monitoring System, that is used by Businesses and Individuals all over the World. It allows you to track, receive notifications, generate reports, and learn more about your assets in real-time. You can learn more about OneTracGPS by going to http://www.onetrac.pro

About

Modbus TCP Station

Features
Read full description

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

OneTracPro Mobile Client3 screens
Modbus TCP Station4 screens

Verdict

The call

The clearest difference is in-app purchases: OneTracPro Mobile Client at none against Modbus TCP Station's 2. OneTracPro Mobile Client also leads on ads (none vs shown). Modbus TCP Station's advantage is update cadence (every 10 days vs monthly) and iOS requirement (15.0 vs 17.0). On price and device support 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. Modbus TCP Station sells 2 one-off in-app purchases. OneTracPro Mobile Client asks for nothing beyond the download.

UpkeepUpdate frequency

OneTracPro Mobile Client ships an update monthly, Modbus TCP Station every 10 days. Both last shipped on October 24, 2026.

Scorecard4 real differences · 5 level
OneTracPro Mobile Client versus Modbus TCP Station: the parameters behind the verdict, then further details
ParameterOneTracPro Mobile ClientModbus TCP Station
PriceFreeFree
Rating4.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyMonthlyEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size97 MB31 MB
Age rating4+4+
DeveloperOne Trac Solutions, LLCDONGSOO LEE

In-app purchases

None

OneTracPro Mobile Client

No in-app purchases

2 purchases

Modbus TCP Station

One-time2
  • 1-Month Premium Pass$0.99
  • Premium Upgrade$9.99

Questions

Is OneTracPro Mobile Client free?
OneTracPro Mobile Client is free to download, with no in-app purchases.
Is Modbus TCP Station free?
Modbus TCP Station is free to download, with in-app purchases available.
Do OneTracPro Mobile Client or Modbus TCP Station have ads?
Modbus TCP Station shows ads; OneTracPro Mobile Client does not.
Which is updated more often, OneTracPro Mobile Client or Modbus TCP Station?
OneTracPro Mobile Client ships an update monthly, and Modbus TCP Station every 10 days. Most recently, OneTracPro Mobile Client was updated on October 24, 2026 and Modbus TCP Station on October 24, 2026.

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