Comparison

NFC Script vs UDP TCP Network Utility

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

Head to head
About

NFC Script

This app allows you to connect to specific Bluetooth scanners to read and write NFC tags and SmartCards. You can retrieve card information, exchange data using ISO 7816 APDUs, and manage connections. It's designed for exploring and validating custom use cases with compatible hardware.

Highlights
  • Connect to Socket Mobile D600/S550 scanners
  • Read/write NFC tags and 13.56 MHz HF labels
  • Retrieve SmartCard ATR
  • Exchange ISO 7816 APDUs
  • Manage PCSC interface
  • Load and send APDU script files
Features
Read full description

NFC Script is the reference application to work with the Socket Mobile D600 and S550 over a Bluetooth Low Energy connection. Connect to a contactless or contact SmartCard, retrieve its ATR, exchange ISO 7816 APDUs; read/write NFC tags or 13.56 MHz “HF” labels. The app is used to explore and validate your own use cases. NFC Script implements the User Interface to: Connect the D600 or S550 as a Coupler to Read & Write RFID tags, SmartCards and NFC devices. Manages the PCSC interface (Card Connection). Send Transmit Commands (APDUs) to the Connected Card either manually or by loading a script file. View Response from Connected Card. Import Models from the Socket Mobile Library. Send Control Connects to the S550 and transmit to the Contact Slot.

About

UDP TCP Network Utility

This app helps you manage UDP and TCP communication, analyze networks, and perform diagnostics. It allows you to send and receive data, establish connections, ping devices, and scan your local network. Ideal for professionals and enthusiasts alike.

Highlights
  • Manage UDP traffic
  • Establish TCP client/server connections
  • Bidirectional data transmission
  • Support for HEX, UTF-8, Base64, ASCII encodings
  • Scan local network devices
  • Ping devices and hosts
  • Save and load network configurations
Features
Read full description

Elevate your network analysis with UDP TCP Network Utility! UDP TCP Network Utility empowers you to easily manage UDP and TCP communication, analyze networks, establish direct connections between clients and servers, perform comprehensive network diagnostics, ping devices, websites, and hosts, and scan all devices on your network. Whether you’re a professional or just interested in network communication, this app provides everything you need to work efficiently and accurately. Send and Receive UDP • Effortlessly manage UDP traffic • Send and receive packets with precision • Ideal for testing network responses • Manage communications between devices • Supports multiple data formats for flexible and efficient UDP communication TCP Client and Server • Establish reliable TCP connections as both a client and a server • Handle multiple connections simultaneously • Perfect for scenarios requiring guaranteed data delivery (e.g., file transfers, secure communications) Bidirectional Data Transmission • Support for bidirectional data transmission in both UDP and TCP protocols • Ensures seamless two-way communication • Critical for interactive applications and real-time data processing Support for Multiple Encodings • Customize data transmission with support for HEX, UTF-8, Base64, and ASCII encodings • Ensure compatibility with various network protocols and data formats • Facilitate easy integration into your existing network setup Manage Network Devices • Easily add and organize network devices • Specify IP addresses, ports, names, and protocols • Streamline device management • Allow quick connections to any device as needed Ping Devices, Websites, and Hosts • Perform quick and accurate ping operations • Test the reachability of devices, websites, and hosts • Essential for diagnosing network issues • Measure round-trip times and ensure network reliability LAN Scanner • Scan all devices on your local network • Identify and manage connected devices efficiently • Provides detailed information about every device on your network • Make it easier to manage and secure your network environment Extensive Settings • Tailor the app to your workflow with various settings • Include timestamps in logs • Customize encoding/decoding • Set a timer for sending repeated messages • Enhance automation and ensure accurate data handling Save and Load Network Devices • Save your network configurations for quick access later • Ideal for professionals managing multiple networks • Allow easy switching between different setups UDP TCP Network Utility is the ideal tool for network administrators, developers, and IT professionals who want full control over their network communication and diagnostics. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

NFC Script4 screens
UDP TCP Network Utility4 screens

Verdict

The call

The clearest difference is in-app purchases: NFC Script at none against UDP TCP Network Utility's 3. NFC Script also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 8 months). On price, rating and ratings volume 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. UDP TCP Network Utility sells 3 in-app purchases, starting at $0.99 per month. NFC Script asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for NFC Script against 5.0 for UDP TCP Network Utility. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

NFC Script ships an update every 6 weeks, UDP TCP Network Utility every 8 months. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 4 level
NFC Script versus UDP TCP Network Utility: the parameters behind the verdict, then further details
ParameterNFC ScriptUDP TCP Network Utility
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews—50.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 6 weeks — betterEvery 8 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.1 — better16.0
Further details — not scored
Size9 MB13 MB
Age rating4+4+
DeveloperSocket MobileYouri Berentsen

Customer experience

NFC Script

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

UDP TCP Network Utility

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

NFC Script

No in-app purchases

3 purchases

UDP TCP Network Utility

Subscriptions2
  • 1 Month$0.991 Month
  • 6 Months$3.996 Months
One-time1
  • Lifetime$6.99

Questions

Is NFC Script free?
NFC Script is free to download, with no in-app purchases.
Is UDP TCP Network Utility free?
UDP TCP Network Utility is free to download, with in-app purchases available.
Which has better reviews, NFC Script or UDP TCP Network Utility?
NFC Script and UDP TCP Network Utility are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do NFC Script or UDP TCP Network Utility have ads?
UDP TCP Network Utility shows ads; NFC Script does not.
Which is updated more often, NFC Script or UDP TCP Network Utility?
NFC Script ships an update every 6 weeks, and UDP TCP Network Utility every 8 months. Most recently, NFC Script was updated on October 1, 2026 and UDP TCP Network Utility on October 9, 2026.

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