Comparison

APG Scout Communicator vs FieldBus Toolkit

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

Head to head

APG Scout Communicator

About

APG Scout Communicator

Features

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Configure any Modbus sensor with a convenient bluetooth-supported app from APG. The app pairs with APG’s Modbus Scout device for convenient sensor setup and close-range monitoring of your Modbus sensors. For more information go to apgsensors.com.

About

FieldBus Toolkit

Features

Read full description

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.

Screenshots

APG Scout Communicator4 screens

FieldBus Toolkit4 screens

Verdict

The call

The clearest difference is in-app purchases: APG Scout Communicator at none against FieldBus Toolkit's 1. APG Scout Communicator also leads on ads (none vs shown). FieldBus Toolkit's advantage is update cadence (every 3 months vs every 9 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FieldBus Toolkit sells 1 one-off in-app purchase. APG Scout Communicator asks for nothing beyond the download.

UpkeepUpdate frequency

APG Scout Communicator ships an update every 9 months, FieldBus Toolkit every 3 months. The most recent releases landed on October 25, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 3 level

APG Scout Communicator versus FieldBus Toolkit: the parameters behind the verdict, then further details
Parameter	APG Scout Communicator	FieldBus Toolkit
Price	Free	Free
Update frequency	Every 9 months	Every 3 months — better
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.2 — better	15.0
Further details — not scored
Size	59 MB	28 MB
Age rating	4+	4+
Developer	Automation Products Group, Inc.	DONGSOO LEE

In-app purchases

None

APG Scout Communicator

No in-app purchases

1 purchases

FieldBus Toolkit

One-time1

Remove Ads$1.99

Questions

Is APG Scout Communicator free?

APG Scout Communicator is free to download, with no in-app purchases.

Is FieldBus Toolkit free?

FieldBus Toolkit is free to download, with in-app purchases available.

Do APG Scout Communicator or FieldBus Toolkit have ads?

FieldBus Toolkit shows ads; APG Scout Communicator does not.

Which is updated more often, APG Scout Communicator or FieldBus Toolkit?

APG Scout Communicator ships an update every 9 months, and FieldBus Toolkit every 3 months. Most recently, APG Scout Communicator was updated on October 25, 2026 and FieldBus Toolkit on November 2, 2026.