# Modbus TCP FieldKit vs NFC Utils

The clearest difference is price: NFC Utils at Free against Modbus TCP FieldKit's $5.99. NFC Utils also leads on update cadence (every 3 days vs weekly) and iOS requirement (16.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

NFC Utils is free to download; Modbus TCP FieldKit costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Modbus TCP FieldKit ships an update weekly, NFC Utils every 3 days. The most recent releases landed on November 13, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Modbus TCP FieldKit | NFC Utils |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 13 MB | 31 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Chemeris](https://appshunter.io/developer/1854526571) | [The NFC Mint LLC](https://appshunter.io/developer/725418088) |

## What reviewers say

### Modbus TCP FieldKit

[App page](https://appshunter.io/ios/app/modbus-tcp-fieldkit/id6768897913)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### NFC Utils

[App page](https://appshunter.io/ios/app/nfc-utils/id6808449018)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Modbus TCP FieldKit free?

Modbus TCP FieldKit costs $5.99, with no in-app purchases.

### Is NFC Utils free?

NFC Utils is free to download, with no in-app purchases.

### Do Modbus TCP FieldKit or NFC Utils have ads?

Neither Modbus TCP FieldKit nor NFC Utils shows ads.

### Which is updated more often, Modbus TCP FieldKit or NFC Utils?

Modbus TCP FieldKit ships an update weekly, and NFC Utils every 3 days. Most recently, Modbus TCP FieldKit was updated on November 13, 2026 and NFC Utils on November 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*