# PortKnock vs Lock Notify Remote

The clearest difference is price: Lock Notify Remote at Free against PortKnock's $0.99. Lock Notify Remote also leads on iOS requirement (16.4 vs 26.0). PortKnock's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Lock Notify Remote is free to download; PortKnock costs $0.99 up front. Lock Notify Remote sells 1 one-off in-app purchase. PortKnock asks for nothing beyond the download.

## The numbers

| Metric | PortKnock | Lock Notify Remote |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/portknock/id358353536/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Paid | — |
| Size | 11 MB | 48 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Danny Sung](https://appshunter.io/developer/1555969244) | [Adem Yuksel](https://appshunter.io/developer/6804485169) |

## What reviewers say

### PortKnock

[App page](https://appshunter.io/ios/app/portknock/id358353536)

This utility allows network administrators to send custom port knock sequences to servers. It requires a port knock daemon on the server and offers features like password protection, knock validation, and host management.

**Highlights:** Password Protection, Knock Validation, Import/Export Hosts, Auto App Launcher, Shows External IP Address, TCP/UDP Configuration

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

**In-app purchases:** none


### Lock Notify Remote

[App page](https://appshunter.io/ios/app/lock-notify-remote/id6804484926)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lock Notify Pro | $9.99 | one-time |


## Frequently asked questions

### Is PortKnock free?

PortKnock costs $0.99, with no in-app purchases.

### Is Lock Notify Remote free?

Lock Notify Remote is free to download, with in-app purchases available.

### Do PortKnock or Lock Notify Remote have ads?

Neither PortKnock nor Lock Notify Remote shows ads.

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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.*