Comparison

FieldBus Toolkit vs NexUnit

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

Head to head
About

FieldBus Toolkit

Features
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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.

About

NexUnit

Features
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NexUnit puts 42 powerful conversion tools in your pocket โ€” organized, fast, and easy to use. Whether you're converting units for work, school, travel, or everyday life, NexUnit has you covered. From length and weight to live currency rates and BMI calculations, everything you need is one tap away. PHYSICAL UNITS Length, Weight, Temperature, Speed, Area, Volume, Pressure, Angle, and Fuel Economy. SCIENCE & SPACE Frequency, Data Storage, Energy, Power, Force, Torque, Density, Flow Rate, Luminance, Sound Level, and Radiation. FINANCIAL Live Currency Converter with historical charts powered by real-time exchange rates. Plus a Percentage Calculator for quick math. HEALTH & EVERYDAY BMI Calculator with metric and imperial support. Cooking conversions for your kitchen. Time and Shoe Size converters for daily life. TEXT TOOLS NATO Phonetic Alphabet, Morse Code, Binary, Base64, ROT13, Word Counter, Text Reverser, and Markdown to Plain Text. DEV TOOLS Color Converter (HEX, RGB, HSL), Number Base Converter, Unix Timestamp, and Lorem Ipsum Generator. KEY FEATURES - 42 converters across 7 categories - Live currency rates with 7-day historical charts - Conversion history so you never lose a result - Clean, intuitive interface - Works offline (except currency) - No account required Download NexUnit and stop juggling multiple apps for simple conversions. Terms of Use (EULA): https://www.gpcreativestudios.com/apps/ios/nexunit/terms Privacy Policy: https://www.gpcreativestudios.com/apps/ios/nexunit/privacy

Screenshots

FieldBus Toolkit4 screens
NexUnit4 screens

Verdict

The call

The clearest difference is in-app purchases: NexUnit at none against FieldBus Toolkit's 1. FieldBus Toolkit's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

Scorecard3 real differences ยท 3 level
FieldBus Toolkit versus NexUnit: the parameters behind the verdict, then further details
ParameterFieldBus ToolkitNexUnit
PriceFreeFree
Update frequencyEvery 3 monthsโ€”
AdsYesYes
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS15.0 โ€” better17.0
Further details โ€” not scored
Size28 MB5 MB
Age rating4+4+
DeveloperDONGSOO LEEGP Creative Studios LLC

In-app purchases

1 purchases

FieldBus Toolkit

One-time1
  • Remove Ads$1.99
None

NexUnit

No in-app purchases

Questions

Is FieldBus Toolkit free?
FieldBus Toolkit is free to download, with in-app purchases available.
Is NexUnit free?
NexUnit is free to download, with no in-app purchases.
Do FieldBus Toolkit or NexUnit have ads?
Both FieldBus Toolkit and NexUnit show ads.

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