NFC Script vs Rubyist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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.
Rubyist
Execute and automate Ruby scripts directly on your iPhone and iPad. This app utilizes the MRuby VM to run code, integrate with Shortcuts and Siri, and offers a robust editor with syntax highlighting and autocomplete.
- Run Ruby code on device
- Editor with syntax highlighting
- Code autocomplete
- Shortcuts app integration
- Siri command creation
- Native alerts and inputs
- HTTP requests
- Clipboard access
Read full descriptionHide full description
Rubyist allows you to run Ruby code on your iPhone and iPad using the MRuby VM. Run code directly in the app or via the Shortcuts app or Siri commands. Features: - Run Ruby code directly on your device - Built-in documentation viewer - Editor with ruby syntax highlighting - Code Autocomplete - Run Ruby directly in Shortcuts - Build your own Siri commands in Ruby. - Display native alerts and inputs using exclusive APIs - Make http requests from your code. - Write and read your clipboard from code
Screenshots
Verdict
The clearest difference is in-app purchases: NFC Script at none against Rubyist's 3. NFC Script also leads on rating (5.0 vs 4.6) and iOS requirement (12.1 vs 17.0). Rubyist's advantage is ratings volume (93 vs 2). On price, update cadence, ads 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
Both are free to download. Rubyist sells 3 one-off in-app purchases. NFC Script asks for nothing beyond the download.
NFC Script holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Rubyist has 93 ratings behind it against 2, so its average is the more settled of the two.
NFC Script ships an update every 6 weeks, Rubyist every 3 weeks. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.
| Parameter | NFC Script | Rubyist |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.6 (93 ratings) |
| Positive reviews | — | 83.3% of reviews |
| Number of ratings | 2 | 93 — better |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Socket Mobile | TSUBASA TECHNOLOGIES LIMITED LIABILITY COMPANY |
Customer experience
NFC Script
Rubyist
In-app purchases
NFC Script
No in-app purchases
Rubyist
- Small Tip$0.99
- Medium Tip$4.99
- Large Tip$9.99
