# NFC Tools vs Knock Knock

The clearest difference is in-app purchases: Knock Knock at none against NFC Tools's 2. Knock Knock also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. NFC Tools sells 2 in-app purchases, starting at $6.99 per 7 days. Knock Knock asks for nothing beyond the download.

## The numbers

| Metric | NFC Tools | Knock Knock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (108 ratings)](https://appshunter.io/ios/app/nfc-tools-reader-scanner-tag/id6747112040/reviews)** | — |
| Number of ratings | **108** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 48 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Victor Bujanivskiy](https://appshunter.io/developer/942482576) | [Sarjan Patel](https://appshunter.io/developer/1817590129) |

## What reviewers say

### NFC Tools

[App page](https://appshunter.io/ios/app/nfc-tools-reader-scanner-tag/id6747112040)

This app allows you to read, write, and copy data to NFC tags. Secure your tags by locking them or setting passwords. It supports various tag types and keeps a history of your interactions.

**Highlights:** Read NFC tag data, Write various information to tags, Copy tag contents, Lock tags for permanent write protection, Set passwords for tag security, View tag history

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $6.99 | per 7 days |
| Annual Access | $29.99 | per year |


### Knock Knock

[App page](https://appshunter.io/ios/app/knock-knock-admin/id6747333815)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NFC Tools free?

NFC Tools is free to download, with in-app purchases available.

### Is Knock Knock free?

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

### Do NFC Tools or Knock Knock have ads?

NFC Tools shows ads; Knock Knock does not.

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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.*