
Free
In-App PurchasesWith Ads
About
FieldBus Toolkit is the essential utility for embedded engineers and PLC programmers.
Debug Modbus TCP, MQTT, HTTP, and socket communications directly from your mobile device.
[Key Features]
1. Multi-Protocol Support
- Modbus TCP Client
- MQTT Client (Publish/Subscribe)
- HTTP REST Client (GET, POST, PUT, DELETE)
- TCP/UDP Client & Server (Echo/Broadcast)
2. Data Visualization
- Send and receive data in ASCII or HEX format.
- Real-time communication logs.
3. Efficiency Tools
- Save frequently used commands as Macros for quick access.
- One-touch data transmission.
4. Developer Friendly
- Perfect for testing Arduino, ESP32, Raspberry Pi, and industrial PLCs.
Show more
What's New in FieldBus Toolkit
1.0.3
May 5, 2026
[What's New] - Added License Information: You can now view the open-source license information within the app.
1
In-App Purchases
$1.99
Remove Ads
Permanently remove ads for a cleaner experience.





